fix(deps): update dependency pydantic to v2 (!49) · Merge requests · True Web App / True Checker / True Checker Python

Oleg A. requested to merge renovate/pydantic-2.x into master Jul 11, 2023

This MR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
pydantic (changelog)	`^1.8` -> `^2.0.0`

Release Notes

pydantic/pydantic (pydantic)

`v2.0.3`

Compare Source

Mention PyObject (v1) moving to ImportString (v2) in migration doc by @slafs in https://github.com/pydantic/pydantic/pull/6456
Fix release-tweet CI by @Kludex in https://github.com/pydantic/pydantic/pull/6461
Revise the section on required / optional / nullable fields. by @ybressler in https://github.com/pydantic/pydantic/pull/6468
Warn if a type hint is not in fact a type by @adriangb in https://github.com/pydantic/pydantic/pull/6479
Replace TransformSchema with GetPydanticSchema by @dmontagu in https://github.com/pydantic/pydantic/pull/6484
Fix the un-hashability of various annotation types, for use in caching generic containers by @dmontagu in https://github.com/pydantic/pydantic/pull/6480
PYD-164: Rework custom types docs by @adriangb in https://github.com/pydantic/pydantic/pull/6490
Fix ci by @adriangb in https://github.com/pydantic/pydantic/pull/6507
Fix forward ref in generic by @adriangb in https://github.com/pydantic/pydantic/pull/6511
Fix generation of serialization JSON schemas for core_schema.ChainSchema by @dmontagu in https://github.com/pydantic/pydantic/pull/6515
Document the change in Field.alias behavior in Pydantic V2 by @hramezani in https://github.com/pydantic/pydantic/pull/6508
Give better error message attempting to compute the json schema of a model with undefined fields by @dmontagu in https://github.com/pydantic/pydantic/pull/6519
Document alias_priority by @tpdorsey in https://github.com/pydantic/pydantic/pull/6520
Add redirect for types documentation by @tpdorsey in https://github.com/pydantic/pydantic/pull/6513
Allow updating docs without release by @samuelcolvin in https://github.com/pydantic/pydantic/pull/6551
Ensure docs tests always run in the right folder by @dmontagu in https://github.com/pydantic/pydantic/pull/6487
Defer evaluation of return type hints for serializer functions by @dmontagu in https://github.com/pydantic/pydantic/pull/6516
Disable E501 from Ruff and rely on just Black by @adriangb in https://github.com/pydantic/pydantic/pull/6552
Update JSON Schema documentation for V2 by @tpdorsey in https://github.com/pydantic/pydantic/pull/6492
Add documentation of cyclic reference handling by @dmontagu in https://github.com/pydantic/pydantic/pull/6493
Remove the need for change files by @samuelcolvin in https://github.com/pydantic/pydantic/pull/6556
add "north star" benchmark by @davidhewitt in https://github.com/pydantic/pydantic/pull/6547
Update Dataclasses docs by @tpdorsey in https://github.com/pydantic/pydantic/pull/6470
♻️ Use different error message on v1 redirects by @Kludex in https://github.com/pydantic/pydantic/pull/6595
⬆ Upgrade pydantic-core to v2.2.0 by @lig in https://github.com/pydantic/pydantic/pull/6589
Fix serialization for IPvAny by @dmontagu in https://github.com/pydantic/pydantic/pull/6572
Improve CI by using PDM instead of pip to install typing-extensions by @adriangb in https://github.com/pydantic/pydantic/pull/6602
Add enum error type docs by @lig in https://github.com/pydantic/pydantic/pull/6603
🐛 Fix max_length for unicode strings by @lig in https://github.com/pydantic/pydantic/pull/6559
Add documentation for accessing features via pydantic.v1 by @tpdorsey in https://github.com/pydantic/pydantic/pull/6604
Include extra when iterating over a model by @adriangb in https://github.com/pydantic/pydantic/pull/6562
Fix typing of model_validator by @adriangb in https://github.com/pydantic/pydantic/pull/6514
Touch up Decimal validator by @adriangb in https://github.com/pydantic/pydantic/pull/6327
Fix various docstrings using fixed pytest-examples by @dmontagu in https://github.com/pydantic/pydantic/pull/6607
Handle function validators in a discriminated union by @dmontagu in https://github.com/pydantic/pydantic/pull/6570
Review json_schema.md by @tpdorsey in https://github.com/pydantic/pydantic/pull/6608
Make validate_call work on basemodel methods by @dmontagu in https://github.com/pydantic/pydantic/pull/6569
add test for big int json serde by @davidhewitt in https://github.com/pydantic/pydantic/pull/6614
Fix pydantic dataclass problem with dataclasses.field default_factory by @hramezani in https://github.com/pydantic/pydantic/pull/6616
Fixed mypy type inference for TypeAdapter by @zakstucke in https://github.com/pydantic/pydantic/pull/6617
Make it work to use None as a generic parameter by @dmontagu in https://github.com/pydantic/pydantic/pull/6609
Make it work to use $ref as an alias by @dmontagu in https://github.com/pydantic/pydantic/pull/6568
add note to migration guide about changes to AnyUrl etc by @davidhewitt in https://github.com/pydantic/pydantic/pull/6618
🐛 Support defining json_schema_extra on RootModel using Field by @lig in https://github.com/pydantic/pydantic/pull/6622
Update pre-commit to prevent commits to main branch on accident by @dmontagu in https://github.com/pydantic/pydantic/pull/6636
Fix PDM CI for python 3.7 on MacOS/windows by @dmontagu in https://github.com/pydantic/pydantic/pull/6627
Produce more accurate signatures for pydantic dataclasses by @dmontagu in https://github.com/pydantic/pydantic/pull/6633
Updates to Url types for Pydantic V2 by @tpdorsey in https://github.com/pydantic/pydantic/pull/6638
Fix list markdown in transform docstring by @StefanBRas in https://github.com/pydantic/pydantic/pull/6649
simplify slots_dataclass construction to appease mypy by @davidhewitt in https://github.com/pydantic/pydantic/pull/6639
Update TypedDict schema generation docstring by @adriangb in https://github.com/pydantic/pydantic/pull/6651
Detect and lint-error for prints by @dmontagu in https://github.com/pydantic/pydantic/pull/6655
Add xfailing test for pydantic-core MR 766 by @dmontagu in https://github.com/pydantic/pydantic/pull/6641
Ignore unrecognized fields from dataclasses metadata by @dmontagu in https://github.com/pydantic/pydantic/pull/6634
Make non-existent class getattr a mypy error by @dmontagu in https://github.com/pydantic/pydantic/pull/6658
Update pydantic-core to 2.3.0 by @hramezani in https://github.com/pydantic/pydantic/pull/6648
Use OrderedDict from typing_extensions by @dmontagu in https://github.com/pydantic/pydantic/pull/6664
Fix typehint for JSON schema extra callable by @dmontagu in https://github.com/pydantic/pydantic/pull/6659

`v2.0.2`

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Fix bug where round-trip pickling/unpickling a RootModel would change the value of __dict__, #6457 by @dmontagu
Allow single-item discriminated unions, #6405 by @dmontagu
Fix issue with union parsing of enums, #6440 by @dmontagu
Docs: Fixed constr documentation, renamed old regex to new pattern, #6452 by @miili
Change GenerateJsonSchema.generate_definitions signature, #6436 by @dmontagu

See the full changelog here

`v2.0.1`

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First patch release of Pydantic V2

Extra fields added via setattr (i.e. m.some_extra_field = 'extra_value') are added to .model_extra if model_config extra='allowed'. Fixed #6333, #6365 by @aaraney
Automatically unpack JSON schema '$ref' for custom types, #6343 by @adriangb
Fix tagged unions multiple processing in submodels, #6340 by @suharnikov

See the full changelog here

`v2.0`

Compare Source

Mention PyObject (v1) moving to ImportString (v2) in migration doc by @slafs in https://github.com/pydantic/pydantic/pull/6456
Fix release-tweet CI by @Kludex in https://github.com/pydantic/pydantic/pull/6461
Revise the section on required / optional / nullable fields. by @ybressler in https://github.com/pydantic/pydantic/pull/6468
Warn if a type hint is not in fact a type by @adriangb in https://github.com/pydantic/pydantic/pull/6479
Replace TransformSchema with GetPydanticSchema by @dmontagu in https://github.com/pydantic/pydantic/pull/6484
Fix the un-hashability of various annotation types, for use in caching generic containers by @dmontagu in https://github.com/pydantic/pydantic/pull/6480
PYD-164: Rework custom types docs by @adriangb in https://github.com/pydantic/pydantic/pull/6490
Fix ci by @adriangb in https://github.com/pydantic/pydantic/pull/6507
Fix forward ref in generic by @adriangb in https://github.com/pydantic/pydantic/pull/6511
Fix generation of serialization JSON schemas for core_schema.ChainSchema by @dmontagu in https://github.com/pydantic/pydantic/pull/6515
Document the change in Field.alias behavior in Pydantic V2 by @hramezani in https://github.com/pydantic/pydantic/pull/6508
Give better error message attempting to compute the json schema of a model with undefined fields by @dmontagu in https://github.com/pydantic/pydantic/pull/6519
Document alias_priority by @tpdorsey in https://github.com/pydantic/pydantic/pull/6520
Add redirect for types documentation by @tpdorsey in https://github.com/pydantic/pydantic/pull/6513
Allow updating docs without release by @samuelcolvin in https://github.com/pydantic/pydantic/pull/6551
Ensure docs tests always run in the right folder by @dmontagu in https://github.com/pydantic/pydantic/pull/6487
Defer evaluation of return type hints for serializer functions by @dmontagu in https://github.com/pydantic/pydantic/pull/6516
Disable E501 from Ruff and rely on just Black by @adriangb in https://github.com/pydantic/pydantic/pull/6552
Update JSON Schema documentation for V2 by @tpdorsey in https://github.com/pydantic/pydantic/pull/6492
Add documentation of cyclic reference handling by @dmontagu in https://github.com/pydantic/pydantic/pull/6493
Remove the need for change files by @samuelcolvin in https://github.com/pydantic/pydantic/pull/6556
add "north star" benchmark by @davidhewitt in https://github.com/pydantic/pydantic/pull/6547
Update Dataclasses docs by @tpdorsey in https://github.com/pydantic/pydantic/pull/6470
♻️ Use different error message on v1 redirects by @Kludex in https://github.com/pydantic/pydantic/pull/6595
⬆ Upgrade pydantic-core to v2.2.0 by @lig in https://github.com/pydantic/pydantic/pull/6589
Fix serialization for IPvAny by @dmontagu in https://github.com/pydantic/pydantic/pull/6572
Improve CI by using PDM instead of pip to install typing-extensions by @adriangb in https://github.com/pydantic/pydantic/pull/6602
Add enum error type docs by @lig in https://github.com/pydantic/pydantic/pull/6603
🐛 Fix max_length for unicode strings by @lig in https://github.com/pydantic/pydantic/pull/6559
Add documentation for accessing features via pydantic.v1 by @tpdorsey in https://github.com/pydantic/pydantic/pull/6604
Include extra when iterating over a model by @adriangb in https://github.com/pydantic/pydantic/pull/6562
Fix typing of model_validator by @adriangb in https://github.com/pydantic/pydantic/pull/6514
Touch up Decimal validator by @adriangb in https://github.com/pydantic/pydantic/pull/6327
Fix various docstrings using fixed pytest-examples by @dmontagu in https://github.com/pydantic/pydantic/pull/6607
Handle function validators in a discriminated union by @dmontagu in https://github.com/pydantic/pydantic/pull/6570
Review json_schema.md by @tpdorsey in https://github.com/pydantic/pydantic/pull/6608
Make validate_call work on basemodel methods by @dmontagu in https://github.com/pydantic/pydantic/pull/6569
add test for big int json serde by @davidhewitt in https://github.com/pydantic/pydantic/pull/6614
Fix pydantic dataclass problem with dataclasses.field default_factory by @hramezani in https://github.com/pydantic/pydantic/pull/6616
Fixed mypy type inference for TypeAdapter by @zakstucke in https://github.com/pydantic/pydantic/pull/6617
Make it work to use None as a generic parameter by @dmontagu in https://github.com/pydantic/pydantic/pull/6609
Make it work to use $ref as an alias by @dmontagu in https://github.com/pydantic/pydantic/pull/6568
add note to migration guide about changes to AnyUrl etc by @davidhewitt in https://github.com/pydantic/pydantic/pull/6618
🐛 Support defining json_schema_extra on RootModel using Field by @lig in https://github.com/pydantic/pydantic/pull/6622
Update pre-commit to prevent commits to main branch on accident by @dmontagu in https://github.com/pydantic/pydantic/pull/6636
Fix PDM CI for python 3.7 on MacOS/windows by @dmontagu in https://github.com/pydantic/pydantic/pull/6627
Produce more accurate signatures for pydantic dataclasses by @dmontagu in https://github.com/pydantic/pydantic/pull/6633
Updates to Url types for Pydantic V2 by @tpdorsey in https://github.com/pydantic/pydantic/pull/6638
Fix list markdown in transform docstring by @StefanBRas in https://github.com/pydantic/pydantic/pull/6649
simplify slots_dataclass construction to appease mypy by @davidhewitt in https://github.com/pydantic/pydantic/pull/6639
Update TypedDict schema generation docstring by @adriangb in https://github.com/pydantic/pydantic/pull/6651
Detect and lint-error for prints by @dmontagu in https://github.com/pydantic/pydantic/pull/6655
Add xfailing test for pydantic-core MR 766 by @dmontagu in https://github.com/pydantic/pydantic/pull/6641
Ignore unrecognized fields from dataclasses metadata by @dmontagu in https://github.com/pydantic/pydantic/pull/6634
Make non-existent class getattr a mypy error by @dmontagu in https://github.com/pydantic/pydantic/pull/6658
Update pydantic-core to 2.3.0 by @hramezani in https://github.com/pydantic/pydantic/pull/6648
Use OrderedDict from typing_extensions by @dmontagu in https://github.com/pydantic/pydantic/pull/6664
Fix typehint for JSON schema extra callable by @dmontagu in https://github.com/pydantic/pydantic/pull/6659

`v1.10.11`

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Importing create_model in tools.py through relative path instead of absolute path - so that it doesn't import V2 code when copied over to V2 branch, #6361 by @SharathHuddar

`v1.10.10`

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Add Pydantic Json field support to settings management, #6250 by @hramezani
Fixed literal validator errors for unhashable values, #6188 by @markus1978
Fixed bug with generics receiving forward refs, #6130 by @mark-todd
Update install method of FastAPI for internal tests in CI, #6117 by @Kludex

`v1.10.9`

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Fix trailing zeros not ignored in Decimal validation, #5968 by @hramezani
Fix mypy plugin for v1.4.0, #5928 by @cdce8p
Add future and past date hypothesis strategies, #5850 by @bschoenmaeckers
Discourage usage of Cython 3 with Pydantic 1.x, #5845 by @lig

`v1.10.8`

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Fix a bug in Literal usage with typing-extension==4.6.0, #5826 by @hramezani
This solves the (closed) issue #3849 where aliased fields that use discriminated union fail to validate when the data contains the non-aliased field name, #5736 by @benwah
Update email-validator dependency to >=2.0.0post2, #5627 by @adriangb
update AnyClassMethod for changes in python/typeshed#9771, #5505 by @ITProKyle

`v1.10.7`

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Fix creating schema from model using ConstrainedStr with regex as dict key, #5223 by @matejetz
Address bug in mypy plugin caused by explicit_package_bases=True, #5191 by @dmontagu
Add implicit defaults in the mypy plugin for Field with no default argument, #5190 by @dmontagu
Fix schema generated for Enum values used as Literals in discriminated unions, #5188 by @javibookline
Fix mypy failures caused by the pydantic mypy plugin when users define from_orm in their own classes, #5187 by @dmontagu
Fix InitVar usage with pydantic dataclasses, mypy version 1.1.1 and the custom mypy plugin, #5162 by @cdce8p

`v1.10.6`

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Implement logic to support creating validators from non standard callables by using defaults to identify them and unwrapping functools.partial and functools.partialmethod when checking the signature, #5126 by @JensHeinrich
Fix mypy plugin for v1.1.1, and fix dataclass_transform decorator for pydantic dataclasses, #5111 by @cdce8p
Raise ValidationError, not ConfigError, when a discriminator value is unhashable, #4773 by @kurtmckee

`v1.10.5`

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Fix broken parametrized bases handling with GenericModels with complex sets of models, #5052 by @MarkusSintonen
Invalidate mypy cache if plugin config changes, #5007 by @cdce8p
Fix RecursionError when deep-copying dataclass types wrapped by pydantic, #4949 by @mbillingr
Fix X | Y union syntax breaking GenericModel, #4146 by @thenx
Switch coverage badge to show coverage for this branch/release, #5060 by @samuelcolvin

`v1.10.4`

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Change dependency to typing-extensions>=4.2.0, #4885 by @samuelcolvin

`v1.10.3`

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NOTE: v1.10.3 was "yanked" from PyPI due to #4885 which is fixed in v1.10.4

fix parsing of custom root models, #4883 by @gou177
fix: use dataclass proxy for frozen or empty dataclasses, #4878 by @PrettyWood
Fix schema and schema_json on models where a model instance is a one of default values, #4781 by @Bobronium
Add Jina AI to sponsors on docs index page, #4767 by @samuelcolvin
fix: support assignment on DataclassProxy, #4695 by @PrettyWood
Add postgresql+psycopg as allowed scheme for PostgreDsn to make it usable with SQLAlchemy 2, #4689 by @morian
Allow dict schemas to have both patternProperties and additionalProperties, #4641 by @jparise
Fixes error passing None for optional lists with unique_items, #4568 by @mfulgo
Fix GenericModel with Callable param raising a TypeError, #4551 by @mfulgo
Fix field regex with StrictStr type annotation, #4538 by @sisp
Correct dataclass_transform keyword argument name from field_descriptors to field_specifiers, #4500 by @samuelcolvin
fix: avoid multiple calls of __post_init__ when dataclasses are inherited, #4487 by @PrettyWood
Reduce the size of binary wheels, #2276 by @samuelcolvin

`v1.10.2`

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Revert Change: Revert percent encoding of URL parts which was originally added in #4224, #4470 by @samuelcolvin
Prevent long (length > 4_300) strings/bytes as input to int fields, see python/cpython#95778 and CVE-2020-10735, #1477 by @samuelcolvin
fix: dataclass wrapper was not always called, #4477 by @PrettyWood
Use tomllib on Python 3.11 when parsing mypy configuration, #4476 by @hauntsaninja
Basic fix of GenericModel cache to detect order of arguments in Union models, #4474 by @sveinugu
Fix mypy plugin when using bare types like list and dict as default_factory, #4457 by @samuelcolvin

`v1.10.1`

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Importing create_model in tools.py through relative path instead of absolute path - so that it doesn't import V2 code when copied over to V2 branch, #6361 by @SharathHuddar

`v1.10.0`

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Refactor the whole pydantic dataclass decorator to really act like its standard lib equivalent. It hence keeps __eq__, __hash__, ... and makes comparison with its non-validated version possible. It also fixes usage of frozen dataclasses in fields and usage of default_factory in nested dataclasses. The support of Config.extra has been added. Finally, config customization directly via a dict is now possible, #2557 by @PrettyWood

BREAKING CHANGES:
- The compiled boolean (whether pydantic is compiled with cython) has been moved from main.py to version.py
- Now that Config.extra is supported, dataclass ignores by default extra arguments (like BaseModel)
Fix PEP487 __set_name__ protocol in BaseModel for PrivateAttrs, #4407 by @tlambert03
Allow for custom parsing of environment variables via parse_env_var in Config, #4406 by @acmiyaguchi
Rename master to main, #4405 by @hramezani
Fix StrictStr does not raise ValidationError when max_length is present in Field, #4388 by @hramezani
Make SecretStr and SecretBytes hashable, #4387 by @chbndrhnns
Fix StrictBytes does not raise ValidationError when max_length is present in Field, #4380 by @JeanArhancet
Add support for bare type, #4375 by @hramezani
Support Python 3.11, including binaries for 3.11 in PyPI, #4374 by @samuelcolvin
Add support for re.Pattern, #4366 by @hramezani
Fix __post_init_post_parse__ is incorrectly passed keyword arguments when no __post_init__ is defined, #4361 by @hramezani
Fix implicitly importing ForwardRef and Callable from pydantic.typing instead of typing and also expose MappingIntStrAny, #4358 by @aminalaee
remove Any types from the dataclass decorator so it can be used with the disallow_any_expr mypy option, #4356 by @DetachHead
moved repo to pydantic/pydantic, #4348 by @yezz123
fix "extra fields not permitted" error when dataclass with Extra.forbid is validated multiple times, #4343 by @detachhead
Add Python 3.9 and 3.10 examples to docs, #4339 by @Bobronium
Discriminated union models now use oneOf instead of anyOf when generating OpenAPI schema definitions, #4335 by @MaxwellPayne
Allow type checkers to infer inner type of Json type. Json[list[str]] will be now inferred as list[str], Json[Any] should be used instead of plain Json. Runtime behaviour is not changed, #4332 by @Bobronium
Allow empty string aliases by using a alias is not None check, rather than bool(alias), #4253 by @sergeytsaplin
Update ForwardRefs in Field.outer_type_, #4249 by @JacobHayes
The use of __dataclass_transform__ has been replaced by typing_extensions.dataclass_transform, which is the preferred way to mark pydantic models as a dataclass under PEP 681, #4241 by @multimeric
Use parent model's Config when validating nested NamedTuple fields, #4219 by @synek
Update BaseModel.construct to work with aliased Fields, #4192 by @kylebamos
Catch certain raised errors in smart_deepcopy and revert to deepcopy if so, #4184 by @coneybeare
Add Config.anystr_upper and to_upper kwarg to constr and conbytes, #4165 by @satheler
Fix JSON schema for set and frozenset when they include default values, #4155 by @aminalaee
Teach the mypy plugin that methods decorated by @validator are classmethods, #4102 by @DMRobertson
Improve mypy plugin's ability to detect required fields, #4086 by @richardxia
Support fields of type Type[] in schema, #4051 by @aminalaee
Add default value in JSON Schema when const=True, #4031 by @aminalaee
Adds reserved word check to signature generation logic, #4011 by @strue36
Fix Json strategy failure for the complex nested field, #4005 by @sergiosim
Add JSON-compatible float constraint allow_inf_nan, #3994 by @tiangolo
Remove undefined behaviour when env_prefix had characters in common with env_nested_delimiter, #3975 by @arsenron
Support generics model with create_model, #3945 by @hot123s
allow submodels to overwrite extra field info, #3934 by @PrettyWood
Document and test structural pattern matching (PEP 636) on BaseModel, #3920 by @irgolic
Fix incorrect deserialization of python timedelta object to ISO 8601 for negative time deltas. Minus was serialized in incorrect place ("P-1DT23H59M59.888735S" instead of correct "-P1DT23H59M59.888735S"), #3899 by @07pepa
Fix validation of discriminated union fields with an alias when passing a model instance, #3846 by @chornsby
Add a CockroachDsn type to validate CockroachDB connection strings. The type supports the following schemes: cockroachdb, cockroachdb+psycopg2 and cockroachdb+asyncpg, #3839 by @blubber
Fix MyPy plugin to not override pre-existing __init__ method in models, #3824 by @patrick91
Fix mypy version checking, #3783 by @KotlinIsland
support overwriting dunder attributes of BaseModel instances, #3777 by @PrettyWood
Added ConstrainedDate and condate, #3740 by @hottwaj
Support kw_only in dataclasses, #3670 by @detachhead
Add comparison method for Color class, #3646 by @aminalaee
Drop support for python3.6, associated cleanup, #3605 by @samuelcolvin
created new function to_lower_camel() for "non pascal case" camel case, #3463 by @schlerp
Add checks to default and default_factory arguments in Mypy plugin, #3430 by @klaa97
fix mangling of inspect.signature for BaseModel, #3413 by @fix-inspect-signature
Adds the SecretField abstract class so that all the current and future secret fields like SecretStr and SecretBytes will derive from it, #3409 by @expobrain
Support multi hosts validation in PostgresDsn, #3337 by @rglsk
Fix parsing of very small numeric timedelta values, #3315 by @samuelcolvin
Update SecretsSettingsSource to respect config.case_sensitive, #3273 by @JeanArhancet
Add MongoDB network data source name (DSN) schema, #3229 by @snosratiershad
Add support for multiple dotenv files, #3222 by @rekyungmin
Raise an explicit ConfigError when multiple fields are incorrectly set for a single validator, #3215 by @SunsetOrange
Allow ellipsis on Fields inside Annotated for TypedDicts required, #3133 by @ezegomez
Catch overflow errors in int_validator, #3112 by @ojii
Adds a __rich_repr__ method to Representation class which enables pretty printing with Rich, #3099 by @willmcgugan
Add percent encoding in AnyUrl and descendent types, #3061 by @FaresAhmedb
validate_arguments decorator now supports alias, #3019 by @MAD-py
Avoid __dict__ and __weakref__ attributes in AnyUrl and IP address fields, #2890 by @nuno-andre
Add ability to use Final in a field type annotation, #2766 by @uriyyo
Update requirement to typing_extensions>=4.1.0 to guarantee dataclass_transform is available, #4424 by @commonism
Add Explosion and AWS to main sponsors, #4413 by @samuelcolvin
Update documentation for copy_on_model_validation to reflect recent changes, #4369 by @samuelcolvin
Runtime warning if __slots__ is passed to create_model, __slots__ is then ignored, #4432 by @samuelcolvin
Add type hints to BaseSettings.Config to avoid mypy errors, also correct mypy version compatibility notice in docs, #4450 by @samuelcolvin

Revert Breaking Change: v1.9.1 introduced a breaking change where model fields were deep copied by default, this release reverts the default behaviour to match v1.9.0 and before, while also allow deep-copy behaviour via copy_on_model_validation = 'deep'. See #4092 for more information.

Allow for shallow copies of model fields, Config.copy_on_model_validation is now a str which must be 'none', 'deep', or 'shallow' corresponding to not copying, deep copy & shallow copy; default 'shallow', #4093 by @timkpaine

`v1.9.1`

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Thank you to pydantic's sponsors: @tiangolo, @stellargraph, @JonasKs, @grillazz, @Mazyod, @kevinalh, @chdsbd, @povilasb, @povilasb, @jina-ai, @mainframeindustries, @robusta-dev, @SendCloud, @rszamszur, @jodal, @hardbyte, @corleyma, @daddycocoaman, @Rehket, @jokull, @reillysiemens, @westonsteimel, @primer-io, @koxudaxi, @browniebroke, @stradivari96, @adriangb, @kamalgill, @jqueguiner, @dev-zero, @datarootsio, @RedCarpetUp for their kind support.

Limit the size of generics._generic_types_cache and generics._assigned_parameters to avoid unlimited increase in memory usage, #4083 by @samuelcolvin
Add Jupyverse and FPS as Jupyter projects using pydantic, #4082 by @davidbrochart
Speedup __isinstancecheck__ on pydantic models when the type is not a model, may also avoid memory "leaks", #4081 by @samuelcolvin
Fix in-place modification of FieldInfo that caused problems with PEP 593 type aliases, #4067 by @adriangb
Add support for autocomplete in VS Code via __dataclass_transform__ when using pydantic.dataclasses.dataclass, #4006 by @giuliano-oliveira
Remove benchmarks from codebase and docs, #3973 by @samuelcolvin
Typing checking with pyright in CI, improve docs on vscode/pylance/pyright, #3972 by @samuelcolvin
Fix nested Python dataclass schema regression, #3819 by @himbeles
Update documentation about lazy evaluation of sources for Settings, #3806 by @garyd203
Prevent subclasses of bytes being converted to bytes, #3706 by @samuelcolvin
Fixed "error checking inheritance of" when using PEP585 and PEP604 type hints, #3681 by @aleksul
Allow self referencing ClassVars in models, #3679 by @samuelcolvin
Breaking Change, see #4106: Fix issue with self-referencing dataclass, #3675 by @uriyyo
Include non-standard port numbers in rendered URLs, #3652 by @dolfinus
Config.copy_on_model_validation does a deep copy and not a shallow one, #3641 by @PrettyWood
fix: clarify that discriminated unions do not support singletons, #3636 by @tommilligan
Add read_text(encoding='utf-8') for setup.py, #3625 by @hswong3i
Fix JSON Schema generation for Discriminated Unions within lists, #3608 by @samuelcolvin

`v1.9.0`

Compare Source

Thank you to pydantic's sponsors: @sthagen, @timdrijvers, @toinbis, @koxudaxi, @ginomempin, @primer-io, @and-semakin, @westonsteimel, @reillysiemens, @es3n1n, @jokull, @JonasKs, @Rehket, @corleyma, @daddycocoaman, @hardbyte, @datarootsio, @jodal, @aminalaee, @rafsaf, @jqueguiner, @chdsbd, @kevinalh, @Mazyod, @grillazz, @JonasKs, @simw, @leynier, @xfenix for their kind support.

Highlights

add Python 3.10 support, #2885 by @PrettyWood
Discriminated unions, #619 by @PrettyWood
Config.smart_union for better union logic, #2092 by @PrettyWood
Binaries for Macos M1 CPUs, #3498 by @samuelcolvin
Complex types can be set via nested environment variables, e.g. foo___bar, #3159 by @Air-Mark
add a dark mode to pydantic documentation, #2913 by @gbdlin
Add support for autocomplete in VS Code via __dataclass_transform__, #2721 by @tiangolo
Add "exclude" as a field parameter so that it can be configured using model config, #660 by @daviskirk

v1.9.0 (2021-12-31) Changes

Apply update_forward_refs to Config.json_encodes prevent name clashes in types defined via strings, #3583 by @samuelcolvin
Extend pydantic's mypy plugin to support mypy versions 0.910, 0.920, 0.921 & 0.930, #3573 & #3594 by @PrettyWood, @christianbundy, @samuelcolvin

v1.9.0a2 (2021-12-24) Changes

support generic models with discriminated union, #3551 by @PrettyWood
keep old behaviour of json() by default, #3542 by @PrettyWood
Removed typing-only __root__ attribute from BaseModel, #3540 by @layday
Build Python 3.10 wheels, #3539 by @mbachry
Fix display of extra fields with model __repr__, #3234 by @cocolman
models copied via Config.copy_on_model_validation always have all fields, #3201 by @PrettyWood
nested ORM from nested dictionaries, #3182 by @PrettyWood
fix link to discriminated union section by @PrettyWood

v1.9.0a1 (2021-12-18) Changes

Add support for Decimal-specific validation configurations in Field(), additionally to using condecimal(), to allow better support from editors and tooling, #3507 by @tiangolo
Add arm64 binaries suitable for MacOS with an M1 CPU to PyPI, #3498 by @samuelcolvin
Fix issue where None was considered invalid when using a Union type containing Any or object, #3444 by @tharradine
When generating field schema, pass optional field argument (of type pydantic.fields.ModelField) to __modify_schema__() if present, #3434 by @jasujm
Fix issue when pydantic fail to parse typing.ClassVar string type annotation, #3401 by @uriyyo
Mention Python >= 3.9.2 as an alternative to typing_extensions.TypedDict, #3374 by @BvB93
Changed the validator method name in the Custom Errors example to more accurately describe what the validator is doing; changed from name_must_contain_space to value_must_equal_bar, #3327 by @michaelrios28
Add AmqpDsn class, #3254 by @kludex
Always use Enum value as default in generated JSON schema, #3190 by @joaommartins
Add support for Mypy 0.920, #3175 by @christianbundy
validate_arguments now supports extra customization (used to always be Extra.forbid), #3161 by @PrettyWood
Complex types can be set by nested environment variables, #3159 by @Air-Mark
Fix mypy plugin to collect fields based on pydantic.utils.is_valid_field so that it ignores untyped private variables, #3146 by @hi-ogawa
fix validate_arguments issue with Config.validate_all, #3135 by @PrettyWood
avoid dict coercion when using dict subclasses as field type, #3122 by @PrettyWood
add support for object type, #3062 by @PrettyWood
Updates pydantic dataclasses to keep _special properties on parent classes, #3043 by @zulrang
Add a TypedDict class for error objects, #3038 by @matthewhughes934
Fix support for using a subclass of an annotation as a default, #3018 by @JacobHayes
make create_model_from_typeddict mypy compliant, #3008 by @PrettyWood
Make multiple inheritance work when using PrivateAttr, #2989 by @hmvp
Parse environment variables as JSON, if they have a Union type with a complex subfield, #2936 by @cbartz
Prevent StrictStr permitting Enum values where the enum inherits from str, #2929 by @samuelcolvin
Make SecretsSettingsSource parse values being assigned to fields of complex types when sourced from a secrets file, just as when sourced from environment variables, #2917 by @davidmreed
add a dark mode to pydantic documentation, #2913 by @gbdlin
Make pydantic-mypy plugin compatible with pyproject.toml configuration, consistent with mypy changes. See the doc for more information, #2908 by @jrwalk
add Python 3.10 support, #2885 by @PrettyWood
Correctly parse generic models with Json[T], #2860 by @geekingfrog
Update contrib docs re: Python version to use for building docs, #2856 by @paxcodes
Clarify documentation about pydantic's support for custom validation and strict type checking, despite pydantic being primarily a parsing library, #2855 by @paxcodes
Fix schema generation for Deque fields, #2810 by @sergejkozin
fix an edge case when mixing constraints and Literal, #2794 by @PrettyWood
Fix postponed annotation resolution for NamedTuple and TypedDict when they're used directly as the type of fields within Pydantic models, #2760 by @jameysharp
Fix bug when mypy plugin fails on construct method call for BaseSettings derived classes, #2753 by @uriyyo
Add function overloading for a pydantic.create_model function, #2748 by @uriyyo
Fix mypy plugin issue with self field declaration, #2743 by @uriyyo
The colon at the end of the line "The fields which were supplied when user was initialised:" suggests that the code following it is related. Changed it to a period, #2733 by @krisaoe
Renamed variable schema to schema_ to avoid shadowing of global variable name, #2724 by @shahriyarr
Add support for autocomplete in VS Code via __dataclass_transform__, #2721 by @tiangolo
add missing type annotations in BaseConfig and handle max_length = 0, #2719 by @PrettyWood
Change orm_mode checking to allow recursive ORM mode parsing with dicts, #2718 by @nuno-andre
Add episode 313 of the Talk Python To Me podcast, where Michael Kennedy and Samuel Colvin discuss Pydantic, to the docs, #2712 by @RatulMaharaj
fix JSON schema generation when a field is of type NamedTuple and has a default value, #2707 by @PrettyWood
Enum fields now properly support extra kwargs in schema generation, #2697 by @sammchardy
Breaking Change, see #3780: Make serialization of referenced pydantic models possible, #2650 by @PrettyWood
Add uniqueItems option to ConstrainedList, #2618 by @nuno-andre
Try to evaluate forward refs automatically at model creation, #2588 by @uriyyo
Switch docs preview and coverage display to use smokeshow, #2580 by @samuelcolvin
Add __version__ attribute to pydantic module, #2572 by @paxcodes
Add postgresql+asyncpg, postgresql+pg8000, postgresql+psycopg2, postgresql+psycopg2cffi, postgresql+py-postgresql and postgresql+pygresql schemes for PostgresDsn, #2567 by @postgres-asyncpg
Enable the Hypothesis plugin to generate a constrained decimal when the decimal_places argument is specified, #2524 by @cwe5590
Allow collections.abc.Callable to be used as type in Python 3.9, #2519 by @daviskirk
Documentation update how to custom compile pydantic when using pip install, small change in setup.py to allow for custom CFLAGS when compiling, #2517 by @peterroelants
remove side effect of default_factory to run it only once even if Config.validate_all is set, #2515 by @PrettyWood
Add lookahead to ip regexes for AnyUrl hosts. This allows urls with DNS labels looking like IPs to validate as they are perfectly valid host names, #2512 by @sbv-csis
Set minItems and maxItems in generated JSON schema for fixed-length tuples, #2497 by @PrettyWood
Add strict argument to conbytes, #2489 by @koxudaxi
Support user defined generic field types in generic models, #2465 by @daviskirk
Add an example and a short explanation of subclassing GetterDict to docs, #2463 by @nuno-andre
add KafkaDsn type, HttpUrl now has default port 80 for http and 443 for https, #2447 by @MihanixA
Add PastDate and FutureDate types, #2425 by @Kludex
Support generating schema for Generic fields with subtypes, #2375 by @maximberg
fix(encoder): serialize NameEmail to str, #2341 by @alecgerona
add Config.smart_union to prevent coercion in Union if possible, see the doc for more information, #2092 by @PrettyWood
Add ability to use typing.Counter as a model field type, #2060 by @uriyyo
Add parameterised subclasses to __bases__ when constructing new parameterised classes, so that A <: B => A[int] <: B[int], #2007 by @diabolo-dan
Create FileUrl type that allows URLs that conform to RFC 8089. Add host_required parameter, which is True by default (AnyUrl and subclasses), False in RedisDsn, FileUrl, #1983 by @vgerak
add confrozenset(), analogous to conset() and conlist(), #1897 by @PrettyWood
stop calling parent class root_validator if overridden, #1895 by @PrettyWood
Add repr (defaults to True) parameter to Field, to hide it from the default representation of the BaseModel, #1831 by @fnep
Accept empty query/fragment URL parts, #1807 by @xavier

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Edited Jul 18, 2023 by Oleg A.

fix(deps): update dependency pydantic to v2

Release Notes

Highlights

v1.9.0 (2021-12-31) Changes

v1.9.0a2 (2021-12-24) Changes

v1.9.0a1 (2021-12-18) Changes

Configuration

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