pydantic/pydantic: v2.4.0 2023-09-25

Published September 25, 2023 | Version v2.4.0

Software Open

What's Changed Packaging

New Features

Add Base64Url types by @dmontagu in #7286
Implement optional number to str coercion by @lig in #7508
Allow access to field_name and data in all validators if there is data and a field name by @samuelcolvin in #7542
Add BaseModel.model_validate_strings and TypeAdapter.validate_strings by @hramezani in #7552
Add Pydantic plugins experimental implementation by @lig @samuelcolvin and @Kludex in #6820

Changes

Do not override model_post_init in subclass with private attrs by @Viicos in #7302
Make fields with defaults not required in the serialization schema by default by @dmontagu in #7275
Mark Extra as deprecated by @disrupted in #7299
Make EncodedStr a dataclass by @Kludex in #7396
Move annotated_handlers to be public by @samuelcolvin in #7569

Performance

Simplify flattening and inlining of CoreSchema by @adriangb in #7523
Remove unused copies in CoreSchema walking by @adriangb in #7528
Add caches for collecting definitions and invalid schemas from a CoreSchema by @adriangb in #7527
Eagerly resolve discriminated unions and cache cases where we can't by @adriangb in #7529
Replace dict.get and dict.setdefault with more verbose versions in CoreSchema building hot paths by @adriangb in #7536
Cache invalid CoreSchema discovery by @adriangb in #7535
Allow disabling CoreSchema validation for faster startup times by @adriangb in #7565

Fixes

Fix config detection for TypedDict from grandparent classes by @dmontagu in #7272
Fix hash function generation for frozen models with unusual MRO by @dmontagu in #7274
Make strict config overridable in field for Path by @hramezani in #7281
Use ser_json_<timedelta|bytes> on default in GenerateJsonSchema by @Kludex in #7269
Adding a check that alias is validated as an identifier for Python by @andree0 in #7319
Raise an error when computed field overrides field by @sydney-runkle in #7346
Fix applying SkipValidation to referenced schemas by @adriangb in #7381
Enforce behavior of private attributes having double leading underscore by @lig in #7265
Standardize __get_pydantic_core_schema__ signature by @hramezani in #7415
Fix generic dataclass fields mutation bug (when using TypeAdapter) by @sydney-runkle in #7435
Fix TypeError on model_validator in wrap mode by @pmmmwh in #7496
Improve enum error message by @hramezani in #7506
Make repr work for instances that failed initialization when handling ValidationErrors by @dmontagu in #7439
Fixed a regular expression denial of service issue by limiting whitespaces by @prodigysml in #7360
Fix handling of UUID values having UUID.version=None by @lig in #7566
Fix __iter__ returning private cached_property info by @sydney-runkle in #7570
Improvements to version info message by @samuelcolvin in #7594

New Contributors

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pydantic/pydantic-v2.4.0.zip md5:ae78b3cef9f398ea46af0b4c45ead535	2.9 MB	Preview Download