Changelog
v2.1.1 (2023-07-25)¶
v2.1.0 (2023-07-25)¶
- Add
StringConstraints
for use as Annotated metadata by @adriangb in #6605 - Try to fix intermittently failing CI by @adriangb in #6683
- Remove redundant example of optional vs default. by @ehiggs-deliverect in #6676
- Docs update by @samuelcolvin in #6692
- Remove the Validate always section in validator docs by @adriangb in #6679
- Fix recursion error in json schema generation by @adriangb in #6720
- Fix incorrect subclass check for secretstr by @AlexVndnblcke in #6730
- update pdm / pdm lockfile to 2.8.0 by @davidhewitt in #6714
- unpin pdm on more CI jobs by @davidhewitt in #6755
- improve source locations for auxiliary packages in docs by @davidhewitt in #6749
- Assume builtins don't accept an info argument by @adriangb in #6754
- Fix bug where calling
help(BaseModelSubclass)
raises errors by @hramezani in #6758 - Fix mypy plugin handling of
@model_validator(mode="after")
by @ljodal in #6753 - update pydantic-core to 2.3.1 by @davidhewitt in #6756
- Mypy plugin for settings by @hramezani in #6760
- Use
contentSchema
keyword for JSON schema by @dmontagu in #6715 - fast-path checking finite decimals by @davidhewitt in #6769
- Docs update by @samuelcolvin in #6771
- Improve json schema doc by @hramezani in #6772
- Update validator docs by @adriangb in #6695
- Fix typehint for wrap validator by @dmontagu in #6788
- 🐛 Fix validation warning for unions of Literal and other type by @lig in #6628
- Update documentation for generics support in V2 by @tpdorsey in #6685
- add pydantic-core build info to
version_info()
by @samuelcolvin in #6785 - Fix pydantic dataclasses that use slots with default values by @dmontagu in #6796
- Fix inheritance of hash function for frozen models by @dmontagu in #6789
- ✨ Add
SkipJsonSchema
annotation by @Kludex in #6653 - Error if an invalid field name is used with Field by @dmontagu in #6797
- Add
GenericModel
toMOVED_IN_V2
by @adriangb in #6776 - Remove unused code from
docs/usage/types/custom.md
by @hramezani in #6803 - Fix
float
->Decimal
coercion precision loss by @adriangb in #6810 - remove email validation from the north star benchmark by @davidhewitt in #6816
- Fix link to mypy by @progsmile in #6824
- Improve initialization hooks example by @hramezani in #6822
- Fix default port for mongosrv DSNs by @dmontagu in #6827
- Improve API documentation, in particular more links between usage and API docs by @samuelcolvin in #6780
- update pydantic-core to 2.4.0 by @davidhewitt in #6831
- Fix
annotated_types.MaxLen
validator for custom sequence types by @ImogenBits in #6809 - Update V1 by @hramezani in #6833
- Make it so callable JSON schema extra works by @dmontagu in #6798
- Fix serialization issue with
InstanceOf
by @dmontagu in #6829 - Add back support for
json_encoders
by @adriangb in #6811 - Update field annotations when building the schema by @dmontagu in #6838
- Use
WeakValueDictionary
to fix generic memory leak by @dmontagu in #6681 - Add
config.defer_build
to optionally make model building lazy by @samuelcolvin in #6823 - delegate
UUID
serialization to pydantic-core by @davidhewitt in #6850 - Update
json_encoders
docs by @adriangb in #6848 - Fix error message for
staticmethod
/classmethod
order with validate_call by @dmontagu in #6686 - Improve documentation for
Config
by @samuelcolvin in #6847 - Update serialization doc to mention
Field.exclude
takes priority over call-timeinclude/exclude
by @hramezani in #6851 - Allow customizing core schema generation by making
GenerateSchema
public by @adriangb in #6737
v2.0.3 (2023-07-05)¶
- Mention PyObject (v1) moving to ImportString (v2) in migration doc by @slafs in #6456
- Fix release-tweet CI by @Kludex in #6461
- Revise the section on required / optional / nullable fields. by @ybressler in #6468
- Warn if a type hint is not in fact a type by @adriangb in #6479
- Replace TransformSchema with GetPydanticSchema by @dmontagu in #6484
- Fix the un-hashability of various annotation types, for use in caching generic containers by @dmontagu in #6480
- PYD-164: Rework custom types docs by @adriangb in #6490
- Fix ci by @adriangb in #6507
- Fix forward ref in generic by @adriangb in #6511
- Fix generation of serialization JSON schemas for core_schema.ChainSchema by @dmontagu in #6515
- Document the change in
Field.alias
behavior in Pydantic V2 by @hramezani in #6508 - Give better error message attempting to compute the json schema of a model with undefined fields by @dmontagu in #6519
- Document
alias_priority
by @tpdorsey in #6520 - Add redirect for types documentation by @tpdorsey in #6513
- Allow updating docs without release by @samuelcolvin in #6551
- Ensure docs tests always run in the right folder by @dmontagu in #6487
- Defer evaluation of return type hints for serializer functions by @dmontagu in #6516
- Disable E501 from Ruff and rely on just Black by @adriangb in #6552
- Update JSON Schema documentation for V2 by @tpdorsey in #6492
- Add documentation of cyclic reference handling by @dmontagu in #6493
- Remove the need for change files by @samuelcolvin in #6556
- add "north star" benchmark by @davidhewitt in #6547
- Update Dataclasses docs by @tpdorsey in #6470
- ♻️ Use different error message on v1 redirects by @Kludex in #6595
- ⬆ Upgrade
pydantic-core
to v2.2.0 by @lig in #6589 - Fix serialization for IPvAny by @dmontagu in #6572
- Improve CI by using PDM instead of pip to install typing-extensions by @adriangb in #6602
- Add
enum
error type docs by @lig in #6603 - 🐛 Fix
max_length
for unicode strings by @lig in #6559 - Add documentation for accessing features via
pydantic.v1
by @tpdorsey in #6604 - Include extra when iterating over a model by @adriangb in #6562
- Fix typing of model_validator by @adriangb in #6514
- Touch up Decimal validator by @adriangb in #6327
- Fix various docstrings using fixed pytest-examples by @dmontagu in #6607
- Handle function validators in a discriminated union by @dmontagu in #6570
- Review json_schema.md by @tpdorsey in #6608
- Make validate_call work on basemodel methods by @dmontagu in #6569
- add test for big int json serde by @davidhewitt in #6614
- Fix pydantic dataclass problem with dataclasses.field default_factory by @hramezani in #6616
- Fixed mypy type inference for TypeAdapter by @zakstucke in #6617
- Make it work to use None as a generic parameter by @dmontagu in #6609
- Make it work to use
$ref
as an alias by @dmontagu in #6568 - add note to migration guide about changes to
AnyUrl
etc by @davidhewitt in #6618 - 🐛 Support defining
json_schema_extra
onRootModel
usingField
by @lig in #6622 - Update pre-commit to prevent commits to main branch on accident by @dmontagu in #6636
- Fix PDM CI for python 3.7 on MacOS/windows by @dmontagu in #6627
- Produce more accurate signatures for pydantic dataclasses by @dmontagu in #6633
- Updates to Url types for Pydantic V2 by @tpdorsey in #6638
- Fix list markdown in
transform
docstring by @StefanBRas in #6649 - simplify slots_dataclass construction to appease mypy by @davidhewitt in #6639
- Update TypedDict schema generation docstring by @adriangb in #6651
- Detect and lint-error for prints by @dmontagu in #6655
- Add xfailing test for pydantic-core PR 766 by @dmontagu in #6641
- Ignore unrecognized fields from dataclasses metadata by @dmontagu in #6634
- Make non-existent class getattr a mypy error by @dmontagu in #6658
- Update pydantic-core to 2.3.0 by @hramezani in #6648
- Use OrderedDict from typing_extensions by @dmontagu in #6664
- Fix typehint for JSON schema extra callable by @dmontagu in #6659
v2.0.2 (2023-07-05)¶
- Fix bug where round-trip pickling/unpickling a
RootModel
would change the value of__dict__
, #6457 by @dmontagu - Allow single-item discriminated unions, #6405 by @dmontagu
- Fix issue with union parsing of enums, #6440 by @dmontagu
- Docs: Fixed
constr
documentation, renamed oldregex
to newpattern
, #6452 by @miili - Change
GenerateJsonSchema.generate_definitions
signature, #6436 by @dmontagu
See the full changelog here
v2.0.1 (2023-07-04)¶
First patch release of Pydantic V2
- Extra fields added via
setattr
(i.e.m.some_extra_field = 'extra_value'
) are added to.model_extra
ifmodel_config
extra='allowed'
. Fixed #6333, #6365 by @aaraney - Automatically unpack JSON schema '$ref' for custom types, #6343 by @adriangb
- Fix tagged unions multiple processing in submodels, #6340 by @suharnikov
See the full changelog here
v2.0 (2023-06-30)¶
Pydantic V2 is here!
See this post for more details.
v2.0b3 (2023-06-16)¶
Third beta pre-release of Pydantic V2
See the full changelog here
v2.0b2 (2023-06-03)¶
Add from_attributes
runtime flag to TypeAdapter.validate_python
and BaseModel.model_validate
.
See the full changelog here
v2.0b1 (2023-06-01)¶
First beta pre-release of Pydantic V2
See the full changelog here
v2.0a4 (2023-05-05)¶
Fourth pre-release of Pydantic V2
See the full changelog here
v2.0a3 (2023-04-20)¶
Third pre-release of Pydantic V2
See the full changelog here
v2.0a2 (2023-04-12)¶
Second pre-release of Pydantic V2
See the full changelog here
v2.0a1 (2023-04-03)¶
First pre-release of Pydantic V2!
See this post for more details.
v1.10.12 (2023-07-24)¶
- Fixes the
maxlen
property being dropped ondeque
validation. Happened only if the deque item has been typed. Changes the_validate_sequence_like
func, #6581 by @maciekglowka
v1.10.11 (2023-07-04)¶
- 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 (2023-06-30)¶
- 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 (2023-06-07)¶
- 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 (2023-05-23)¶
- Fix a bug in
Literal
usage withtyping-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 (2023-03-22)¶
- Fix creating schema from model using
ConstrainedStr
withregex
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 version1.1.1
and the custom mypy plugin, #5162 by @cdce8p
v1.10.6 (2023-03-08)¶
- Implement logic to support creating validators from non standard callables by using defaults to identify them and unwrapping
functools.partial
andfunctools.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
, notConfigError
, when a discriminator value is unhashable, #4773 by @kurtmckee
v1.10.5 (2023-02-15)¶
- Fix broken parametrized bases handling with
GenericModel
s 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 breakingGenericModel
, #4146 by @thenx - Switch coverage badge to show coverage for this branch/release, #5060 by @samuelcolvin
v1.10.4 (2022-12-30)¶
- Change dependency to
typing-extensions>=4.2.0
, #4885 by @samuelcolvin
v1.10.3 (2022-12-29)¶
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
andschema_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 forPostgreDsn
to make it usable with SQLAlchemy 2, #4689 by @morian - Allow dict schemas to have both
patternProperties
andadditionalProperties
, #4641 by @jparise - Fixes error passing None for optional lists with
unique_items
, #4568 by @mfulgo - Fix
GenericModel
withCallable
param raising aTypeError
, #4551 by @mfulgo - Fix field regex with
StrictStr
type annotation, #4538 by @sisp - Correct
dataclass_transform
keyword argument name fromfield_descriptors
tofield_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 (2022-09-05)¶
- 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 parsingmypy
configuration, #4476 by @hauntsaninja - Basic fix of
GenericModel
cache to detect order of arguments inUnion
models, #4474 by @sveinugu - Fix mypy plugin when using bare types like
list
anddict
asdefault_factory
, #4457 by @samuelcolvin
v1.10.1 (2022-08-31)¶
v1.10.0 (2022-08-30)¶
- 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 offrozen
dataclasses in fields and usage ofdefault_factory
in nested dataclasses. The support ofConfig.extra
has been added. Finally, config customization directly via adict
is now possible, #2557 by @PrettyWood
BREAKING CHANGES: - The
compiled
boolean (whether pydantic is compiled with cython) has been moved frommain.py
toversion.py
- Now that
Config.extra
is supported,dataclass
ignores by default extra arguments (likeBaseModel
) - Fix PEP487
__set_name__
protocol inBaseModel
for PrivateAttrs, #4407 by @tlambert03 - Allow for custom parsing of environment variables via
parse_env_var
inConfig
, #4406 by @acmiyaguchi - Rename
master
tomain
, #4405 by @hramezani - Fix
StrictStr
does not raiseValidationError
whenmax_length
is present inField
, #4388 by @hramezani - Make
SecretStr
andSecretBytes
hashable, #4387 by @chbndrhnns - Fix
StrictBytes
does not raiseValidationError
whenmax_length
is present inField
, #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
andCallable
frompydantic.typing
instead oftyping
and also exposeMappingIntStrAny
, #4358 by @aminalaee - remove
Any
types from thedataclass
decorator so it can be used with thedisallow_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 ofanyOf
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 aslist[str]
,Json[Any]
should be used instead of plainJson
. Runtime behaviour is not changed, #4332 by @Bobronium - Allow empty string aliases by using a
alias is not None
check, rather thanbool(alias)
, #4253 by @sergeytsaplin - Update
ForwardRef
s inField.outer_type_
, #4249 by @JacobHayes - The use of
__dataclass_transform__
has been replaced bytyping_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 nestedNamedTuple
fields, #4219 by @synek - Update
BaseModel.construct
to work with aliased Fields, #4192 by @kylebamos - Catch certain raised errors in
smart_deepcopy
and revert todeepcopy
if so, #4184 by @coneybeare - Add
Config.anystr_upper
andto_upper
kwarg to constr and conbytes, #4165 by @satheler - Fix JSON schema for
set
andfrozenset
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 whenconst=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 withenv_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
andcockroachdb+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
andcondate
, #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
anddefault_factory
arguments in Mypy plugin, #3430 by @klaa97 - fix mangling of
inspect.signature
forBaseModel
, #3413 by @fix-inspect-signature - Adds the
SecretField
abstract class so that all the current and future secret fields likeSecretStr
andSecretBytes
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 respectconfig.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
Field
s insideAnnotated
forTypedDicts
required, #3133 by @ezegomez - Catch overflow errors in
int_validator
, #3112 by @ojii - Adds a
__rich_repr__
method toRepresentation
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 supportsalias
, #3019 by @MAD-py- Avoid
__dict__
and__weakref__
attributes inAnyUrl
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 guaranteedataclass_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 tocreate_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
v1.10.0b1 (2022-08-24)¶
Pre-release, see the GitHub release for details.
v1.10.0a2 (2022-08-24)¶
Pre-release, see the GitHub release for details.
v1.10.0a1 (2022-08-22)¶
Pre-release, see the GitHub release for details.
v1.9.2 (2022-08-11)¶
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 (2022-05-19)¶
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
andgenerics._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 usingpydantic.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
ClassVar
s 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')
forsetup.py
, #3625 by @hswong3i - Fix JSON Schema generation for Discriminated Unions within lists, #3608 by @samuelcolvin
v1.9.0 (2021-12-31)¶
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
toConfig.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 fromBaseModel
, #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 inField()
, additionally to usingcondecimal()
, 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 aUnion
type containingAny
orobject
, #3444 by @tharradine - When generating field schema, pass optional
field
argument (of typepydantic.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
tovalue_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 supportsextra
customization (used to always beExtra.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 withConfig.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
permittingEnum
values where the enum inherits fromstr
, #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 withpyproject.toml
configuration, consistent withmypy
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
andTypedDict
when they're used directly as the type of fields within Pydantic models, #2760 by @jameysharp - Fix bug when
mypy
plugin fails onconstruct
method call forBaseSettings
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
toschema_
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 handlemax_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 toConstrainedList
, #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
andpostgresql+pygresql
schemes forPostgresDsn
, #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 ifConfig.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
andmaxItems
in generated JSON schema for fixed-length tuples, #2497 by @PrettyWood - Add
strict
argument toconbytes
, #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
andFutureDate
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 inUnion
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 thatA <: B => A[int] <: B[int]
, #2007 by @diabolo-dan - Create
FileUrl
type that allows URLs that conform to RFC 8089. Addhost_required
parameter, which isTrue
by default (AnyUrl
and subclasses),False
inRedisDsn
,FileUrl
, #1983 by @vgerak - add
confrozenset()
, analogous toconset()
andconlist()
, #1897 by @PrettyWood - stop calling parent class
root_validator
if overridden, #1895 by @PrettyWood - Add
repr
(defaults toTrue
) parameter toField
, to hide it from the default representation of theBaseModel
, #1831 by @fnep - Accept empty query/fragment URL parts, #1807 by @xavier
v1.8.2 (2021-05-11)¶
Warning
A security vulnerability, level "moderate" is fixed in v1.8.2. Please upgrade ASAP. See security advisory CVE-2021-29510
- Security fix: Fix
date
anddatetime
parsing so passing either'infinity'
orfloat('inf')
(or their negative values) does not cause an infinite loop, see security advisory CVE-2021-29510 - fix schema generation with Enum by generating a valid name, #2575 by @PrettyWood
- fix JSON schema generation with a
Literal
of an enum member, #2536 by @PrettyWood - Fix bug with configurations declarations that are passed as keyword arguments during class creation, #2532 by @uriyyo
- Allow passing
json_encoders
in class kwargs, #2521 by @layday - support arbitrary types with custom
__eq__
, #2483 by @PrettyWood - support
Annotated
invalidate_arguments
and in generic models with Python 3.9, #2483 by @PrettyWood
v1.8.1 (2021-03-03)¶
Bug fixes for regressions and new features from v1.8
- allow elements of
Config.field
to update elements of aField
, #2461 by @samuelcolvin - fix validation with a
BaseModel
field and a custom root type, #2449 by @PrettyWood - expose
Pattern
encoder tofastapi
, #2444 by @PrettyWood - enable the Hypothesis plugin to generate a constrained float when the
multiple_of
argument is specified, #2442 by @tobi-lipede-oodle - Avoid
RecursionError
when using some types likeEnum
orLiteral
with generic models, #2436 by @PrettyWood - do not overwrite declared
__hash__
in subclasses of a model, #2422 by @PrettyWood - fix
mypy
complaints onPath
andUUID
related custom types, #2418 by @PrettyWood - Support properly variable length tuples of compound types, #2416 by @PrettyWood
v1.8 (2021-02-26)¶
Thank you to pydantic's sponsors: @jorgecarleitao, @BCarley, @chdsbd, @tiangolo, @matin, @linusg, @kevinalh, @koxudaxi, @timdrijvers, @mkeen, @meadsteve, @ginomempin, @primer-io, @and-semakin, @tomthorogood, @AjitZK, @westonsteimel, @Mazyod, @christippett, @CarlosDomingues, @Kludex, @r-m-n for their kind support.
Highlights¶
- Hypothesis plugin for testing, #2097 by @Zac-HD
- support for
NamedTuple
andTypedDict
, #2216 by @PrettyWood - Support
Annotated
hints on model fields, #2147 by @JacobHayes frozen
parameter onConfig
to allow models to be hashed, #1880 by @rhuille
Changes¶
- Breaking Change, remove old deprecation aliases from v1, #2415 by @samuelcolvin:
- remove notes on migrating to v1 in docs
- remove
Schema
which was replaced byField
- remove
Config.case_insensitive
which was replaced byConfig.case_sensitive
(defaultFalse
) - remove
Config.allow_population_by_alias
which was replaced byConfig.allow_population_by_field_name
- remove
model.fields
which was replaced bymodel.__fields__
- remove
model.to_string()
which was replaced bystr(model)
- remove
model.__values__
which was replaced bymodel.__dict__
- Breaking Change: always validate only first sublevel items with
each_item
. There were indeed some edge cases with some compound types where the validated items were the last sublevel ones, #1933 by @PrettyWood - Update docs extensions to fix local syntax highlighting, #2400 by @daviskirk
- fix: allow
utils.lenient_issubclass
to handletyping.GenericAlias
objects likelist[str]
in Python >= 3.9, #2399 by @daviskirk - Improve field declaration for pydantic
dataclass
by allowing the usage of pydanticField
or'metadata'
kwarg ofdataclasses.field
, #2384 by @PrettyWood - Making
typing-extensions
a required dependency, #2368 by @samuelcolvin - Make
resolve_annotations
more lenient, allowing for missing modules, #2363 by @samuelcolvin - Allow configuring models through class kwargs, #2356 by @Bobronium
- Prevent
Mapping
subclasses from always being coerced todict
, #2325 by @ofek - fix: allow
None
for typeOptional[conset / conlist]
, #2320 by @PrettyWood - Support empty tuple type, #2318 by @PrettyWood
- fix:
python_requires
metadata to require >=3.6.1, #2306 by @hukkinj1 - Properly encode
Decimal
with, or without any decimal places, #2293 by @hultner - fix: update
__fields_set__
inBaseModel.copy(update=…)
, #2290 by @PrettyWood - fix: keep order of fields with
BaseModel.construct()
, #2281 by @PrettyWood - Support generating schema for Generic fields, #2262 by @maximberg
- Fix
validate_decorator
so**kwargs
doesn't exclude values when the keyword has the same name as the*args
or**kwargs
names, #2251 by @cybojenix - Prevent overriding positional arguments with keyword arguments in
validate_arguments
, as per behaviour with native functions, #2249 by @cybojenix - add documentation for
con*
type functions, #2242 by @tayoogunbiyi - Support custom root type (aka
__root__
) when usingparse_obj()
with nested models, #2238 by @PrettyWood - Support custom root type (aka
__root__
) withfrom_orm()
, #2237 by @PrettyWood - ensure cythonized functions are left untouched when creating models, based on #1944 by @kollmats, #2228 by @samuelcolvin
- Resolve forward refs for stdlib dataclasses converted into pydantic ones, #2220 by @PrettyWood
- Add support for
NamedTuple
andTypedDict
types. Those two types are now handled and validated when used insideBaseModel
or pydanticdataclass
. Two utils are also addedcreate_model_from_namedtuple
andcreate_model_from_typeddict
, #2216 by @PrettyWood - Do not ignore annotated fields when type is
Union[Type[...], ...]
, #2213 by @PrettyWood - Raise a user-friendly
TypeError
when aroot_validator
does not return adict
(e.g.None
), #2209 by @masalim2 - Add a
FrozenSet[str]
type annotation to theallowed_schemes
argument on thestrict_url
field type, #2198 by @Midnighter - add
allow_mutation
constraint toField
, #2195 by @sblack-usu - Allow
Field
with adefault_factory
to be used as an argument to a function decorated withvalidate_arguments
, #2176 by @thomascobb - Allow non-existent secrets directory by only issuing a warning, #2175 by @davidolrik
- fix URL regex to parse fragment without query string, #2168 by @andrewmwhite
- fix: ensure to always return one of the values in
Literal
field type, #2166 by @PrettyWood - Support
typing.Annotated
hints on model fields. AField
may now be set in the type hint withAnnotated[..., Field(...)
; all other annotations are ignored but still visible withget_type_hints(..., include_extras=True)
, #2147 by @JacobHayes - Added
StrictBytes
type as well asstrict=False
option toConstrainedBytes
, #2136 by @rlizzo - added
Config.anystr_lower
andto_lower
kwarg toconstr
andconbytes
, #2134 by @tayoogunbiyi - Support plain
typing.Tuple
type, #2132 by @PrettyWood - Add a bound method
validate
to functions decorated withvalidate_arguments
to validate parameters without actually calling the function, #2127 by @PrettyWood - Add the ability to customize settings sources (add / disable / change priority order), #2107 by @kozlek
- Fix mypy complaints about most custom pydantic types, #2098 by @PrettyWood
- Add a Hypothesis plugin for easier property-based testing with Pydantic's custom types - usage details here, #2097 by @Zac-HD
- add validator for
None
,NoneType
orLiteral[None]
, #2095 by @PrettyWood - Handle properly fields of type
Callable
with a default value, #2094 by @PrettyWood - Updated
create_model
return type annotation to return type which inherits from__base__
argument, #2071 by @uriyyo - Add merged
json_encoders
inheritance, #2064 by @art049 - allow overwriting
ClassVar
s in sub-models without having to re-annotate them, #2061 by @layday - add default encoder for
Pattern
type, #2045 by @PrettyWood - Add
NonNegativeInt
,NonPositiveInt
,NonNegativeFloat
,NonPositiveFloat
, #1975 by @mdavis-xyz - Use % for percentage in string format of colors, #1960 by @EdwardBetts
- Fixed issue causing
KeyError
to be raised when building schema from multipleBaseModel
with the same names declared in separate classes, #1912 by @JSextonn - Add
rediss
(Redis over SSL) protocol toRedisDsn
Allow URLs withoutuser
part (e.g.,rediss://:pass@localhost
), #1911 by @TrDex - Add a new
frozen
boolean parameter toConfig
(default:False
). Settingfrozen=True
does everything thatallow_mutation=False
does, and also generates a__hash__()
method for the model. This makes instances of the model potentially hashable if all the attributes are hashable, #1880 by @rhuille - fix schema generation with multiple Enums having the same name, #1857 by @PrettyWood
- Added support for 13/19 digits VISA credit cards in
PaymentCardNumber
type, #1416 by @AlexanderSov - fix: prevent
RecursionError
while using recursiveGenericModel
s, #1370 by @xppt - use
enum
fortyping.Literal
in JSON schema, #1350 by @PrettyWood - Fix: some recursive models did not require
update_forward_refs
and silently behaved incorrectly, #1201 by @PrettyWood - Fix bug where generic models with fields where the typevar is nested in another type
a: List[T]
are considered to be concrete. This allows these models to be subclassed and composed as expected, #947 by @daviskirk - Add
Config.copy_on_model_validation
flag. When set toFalse
, pydantic will keep models used as fields untouched on validation instead of reconstructing (copying) them, #265 by @PrettyWood
v1.7.4 (2021-05-11)¶
- Security fix: Fix
date
anddatetime
parsing so passing either'infinity'
orfloat('inf')
(or their negative values) does not cause an infinite loop, See security advisory CVE-2021-29510
v1.7.3 (2020-11-30)¶
Thank you to pydantic's sponsors: @timdrijvers, @BCarley, @chdsbd, @tiangolo, @matin, @linusg, @kevinalh, @jorgecarleitao, @koxudaxi, @primer-api, @mkeen, @meadsteve for their kind support.
- fix: set right default value for required (optional) fields, #2142 by @PrettyWood
- fix: support
underscore_attrs_are_private
with generic models, #2138 by @PrettyWood - fix: update all modified field values in
root_validator
whenvalidate_assignment
is on, #2116 by @PrettyWood - Allow pickling of
pydantic.dataclasses.dataclass
dynamically created from a built-indataclasses.dataclass
, #2111 by @aimestereo - Fix a regression where Enum fields would not propagate keyword arguments to the schema, #2109 by @bm424
- Ignore
__doc__
as private attribute whenConfig.underscore_attrs_are_private
is set, #2090 by @PrettyWood
v1.7.2 (2020-11-01)¶
- fix slow
GenericModel
concrete model creation, allowGenericModel
concrete name reusing in module, #2078 by @Bobronium - keep the order of the fields when
validate_assignment
is set, #2073 by @PrettyWood - forward all the params of the stdlib
dataclass
when converted into pydanticdataclass
, #2065 by @PrettyWood
v1.7.1 (2020-10-28)¶
Thank you to pydantic's sponsors: @timdrijvers, @BCarley, @chdsbd, @tiangolo, @matin, @linusg, @kevinalh, @jorgecarleitao, @koxudaxi, @primer-api, @mkeen for their kind support.
- fix annotation of
validate_arguments
when passing configuration as argument, #2055 by @layday - Fix mypy assignment error when using
PrivateAttr
, #2048 by @aphedges - fix
underscore_attrs_are_private
causingTypeError
when overriding__init__
, #2047 by @samuelcolvin - Fixed regression introduced in v1.7 involving exception handling in field validators when
validate_assignment=True
, #2044 by @johnsabath - fix: pydantic
dataclass
can inherit from stdlibdataclass
andConfig.arbitrary_types_allowed
is supported, #2042 by @PrettyWood
v1.7 (2020-10-26)¶
Thank you to pydantic's sponsors: @timdrijvers, @BCarley, @chdsbd, @tiangolo, @matin, @linusg, @kevinalh, @jorgecarleitao, @koxudaxi, @primer-api for their kind support.
Highlights¶
- Python 3.9 support, thanks @PrettyWood
- Private model attributes, thanks @Bobronium
- "secrets files" support in
BaseSettings
, thanks @mdgilene - convert stdlib dataclasses to pydantic dataclasses and use stdlib dataclasses in models, thanks @PrettyWood
Changes¶
- Breaking Change: remove
__field_defaults__
, adddefault_factory
support withBaseModel.construct
. Use.get_default()
method on fields in__fields__
attribute instead, #1732 by @PrettyWood - Rearrange CI to run linting as a separate job, split install recipes for different tasks, #2020 by @samuelcolvin
- Allows subclasses of generic models to make some, or all, of the superclass's type parameters concrete, while also defining new type parameters in the subclass, #2005 by @choogeboom
- Call validator with the correct
values
parameter type inBaseModel.__setattr__
, whenvalidate_assignment = True
in model config, #1999 by @me-ransh - Force
fields.Undefined
to be a singleton object, fixing inherited generic model schemas, #1981 by @daviskirk - Include tests in source distributions, #1976 by @sbraz
- Add ability to use
min_length/max_length
constraints with secret types, #1974 by @uriyyo - Also check
root_validators
whenvalidate_assignment
is on, #1971 by @PrettyWood - Fix const validators not running when custom validators are present, #1957 by @hmvp
- add
deque
to field types, #1935 by @wozniakty - add basic support for Python 3.9, #1832 by @PrettyWood
- Fix typo in the anchor of exporting_models.md#modelcopy and incorrect description, #1821 by @KimMachineGun
- Added ability for
BaseSettings
to read "secret files", #1820 by @mdgilene - add
parse_raw_as
utility function, #1812 by @PrettyWood - Support home directory relative paths for
dotenv
files (e.g.~/.env
), #1803 by @PrettyWood - Clarify documentation for
parse_file
to show that the argument should be a file path not a file-like object, #1794 by @mdavis-xyz - Fix false positive from mypy plugin when a class nested within a
BaseModel
is namedModel
, #1770 by @selimb - add basic support of Pattern type in schema generation, #1767 by @PrettyWood
- Support custom title, description and default in schema of enums, #1748 by @PrettyWood
- Properly represent
Literal
Enums whenuse_enum_values
is True, #1747 by @noelevans - Allows timezone information to be added to strings to be formatted as time objects. Permitted formats are
Z
for UTC or an offset for absolute positive or negative time shifts. Or the timezone data can be omitted, #1744 by @noelevans - Add stub
__init__
with Python 3.6 signature forForwardRef
, #1738 by @sirtelemak - Fix behaviour with forward refs and optional fields in nested models, #1736 by @PrettyWood
- add
Enum
andIntEnum
as valid types for fields, #1735 by @PrettyWood - Change default value of
__module__
argument ofcreate_model
fromNone
to'pydantic.main'
. Set reference of created concrete model to it's module to allow pickling (not applied to models created in functions), #1686 by @Bobronium - Add private attributes support, #1679 by @Bobronium
- add
config
to@validate_arguments
, #1663 by @samuelcolvin - Allow descendant Settings models to override env variable names for the fields defined in parent Settings models with
env
in theirConfig
. Previously onlyenv_prefix
configuration option was applicable, #1561 by @ojomio - Support
ref_template
when creating schema$ref
s, #1479 by @kilo59 - Add a
__call__
stub toPyObject
so that mypy will know that it is callable, #1352 by @brianmaissy pydantic.dataclasses.dataclass
decorator now supports built-indataclasses.dataclass
. It is hence possible to convert an existingdataclass
easily to add Pydantic validation. Moreover nested dataclasses are also supported, #744 by @PrettyWood
v1.6.2 (2021-05-11)¶
- Security fix: Fix
date
anddatetime
parsing so passing either'infinity'
orfloat('inf')
(or their negative values) does not cause an infinite loop, See security advisory CVE-2021-29510
v1.6.1 (2020-07-15)¶
- fix validation and parsing of nested models with
default_factory
, #1710 by @PrettyWood
v1.6 (2020-07-11)¶
Thank you to pydantic's sponsors: @matin, @tiangolo, @chdsbd, @jorgecarleitao, and 1 anonymous sponsor for their kind support.
- Modify validators for
conlist
andconset
to not havealways=True
, #1682 by @samuelcolvin - add port check to
AnyUrl
(can't exceed 65536) ports are 16 insigned bits:0 <= port <= 2**16-1
src: rfc793 header format, #1654 by @flapili - Document default
regex
anchoring semantics, #1648 by @yurikhan - Use
chain.from_iterable
in class_validators.py. This is a faster and more idiomatic way of usingitertools.chain
. Instead of computing all the items in the iterable and storing them in memory, they are computed one-by-one and never stored as a huge list. This can save on both runtime and memory space, #1642 by @cool-RR - Add
conset()
, analogous toconlist()
, #1623 by @patrickkwang - make Pydantic errors (un)pickable, #1616 by @PrettyWood
- Allow custom encoding for
dotenv
files, #1615 by @PrettyWood - Ensure
SchemaExtraCallable
is always defined to get type hints on BaseConfig, #1614 by @PrettyWood - Update datetime parser to support negative timestamps, #1600 by @mlbiche
- Update mypy, remove
AnyType
alias forType[Any]
, #1598 by @samuelcolvin - Adjust handling of root validators so that errors are aggregated from all failing root validators, instead of reporting on only the first root validator to fail, #1586 by @beezee
- Make
__modify_schema__
on Enums apply to the enum schema rather than fields that use the enum, #1581 by @therefromhere - Fix behavior of
__all__
key when used in conjunction with index keys in advanced include/exclude of fields that are sequences, #1579 by @xspirus - Subclass validators do not run when referencing a
List
field defined in a parent class wheneach_item=True
. Added an example to the docs illustrating this, #1566 by @samueldeklund - change
schema.field_class_to_schema
to supportfrozenset
in schema, #1557 by @wangpeibao - Call
__modify_schema__
only for the field schema, #1552 by @PrettyWood - Move the assignment of
field.validate_always
infields.py
so thealways
parameter of validators work on inheritance, #1545 by @dcHHH - Added support for UUID instantiation through 16 byte strings such as
b'\x12\x34\x56\x78' * 4
. This was done to supportBINARY(16)
columns in sqlalchemy, #1541 by @shawnwall - Add a test assertion that
default_factory
can return a singleton, #1523 by @therefromhere - Add
NameEmail.__eq__
so duplicateNameEmail
instances are evaluated as equal, #1514 by @stephen-bunn - Add datamodel-code-generator link in pydantic document site, #1500 by @koxudaxi
- Added a "Discussion of Pydantic" section to the documentation, with a link to "Pydantic Introduction" video by Alexander Hultnér, #1499 by @hultner
- Avoid some side effects of
default_factory
by calling it only once if possible and by not setting a default value in the schema, #1491 by @PrettyWood - Added docs about dumping dataclasses to JSON, #1487 by @mikegrima
- Make
BaseModel.__signature__
class-only, so getting__signature__
from model instance will raiseAttributeError
, #1466 by @Bobronium - include
'format': 'password'
in the schema for secret types, #1424 by @atheuz - Modify schema constraints on
ConstrainedFloat
so thatexclusiveMinimum
and minimum are not included in the schema if they are equal to-math.inf
andexclusiveMaximum
andmaximum
are not included if they are equal tomath.inf
, #1417 by @vdwees - Squash internal
__root__
dicts in.dict()
(and, by extension, in.json()
), #1414 by @patrickkwang - Move
const
validator to post-validators so it validates the parsed value, #1410 by @selimb - Fix model validation to handle nested literals, e.g.
Literal['foo', Literal['bar']]
, #1364 by @DBCerigo - Remove
user_required = True
fromRedisDsn
, neither user nor password are required, #1275 by @samuelcolvin - Remove extra
allOf
from schema for fields withUnion
and customField
, #1209 by @mostaphaRoudsari - Updates OpenAPI schema generation to output all enums as separate models.
Instead of inlining the enum values in the model schema, models now use a
$ref
property to point to the enum definition, #1173 by @calvinwyoung
v1.5.1 (2020-04-23)¶
- Signature generation with
extra: allow
never uses a field name, #1418 by @prettywood - Avoid mutating
Field
default value, #1412 by @prettywood
v1.5 (2020-04-18)¶
- Make includes/excludes arguments for
.dict()
,._iter()
, ..., immutable, #1404 by @AlexECX - Always use a field's real name with includes/excludes in
model._iter()
, regardless ofby_alias
, #1397 by @AlexECX - Update constr regex example to include start and end lines, #1396 by @lmcnearney
- Confirm that shallow
model.copy()
does make a shallow copy of attributes, #1383 by @samuelcolvin - Renaming
model_name
argument ofmain.create_model()
to__model_name
to allow usingmodel_name
as a field name, #1367 by @kittipatv - Replace raising of exception to silent passing for non-Var attributes in mypy plugin, #1345 by @b0g3r
- Remove
typing_extensions
dependency for Python 3.8, #1342 by @prettywood - Make
SecretStr
andSecretBytes
initialization idempotent, #1330 by @atheuz - document making secret types dumpable using the json method, #1328 by @atheuz
- Move all testing and build to github actions, add windows and macos binaries, thank you @StephenBrown2 for much help, #1326 by @samuelcolvin
- fix card number length check in
PaymentCardNumber
,PaymentCardBrand
now inherits fromstr
, #1317 by @samuelcolvin - Have
BaseModel
inherit fromRepresentation
to make mypy happy when overriding__str__
, #1310 by @FuegoFro - Allow
None
as input to all optional list fields, #1307 by @prettywood - Add
datetime
field todefault_factory
example, #1301 by @StephenBrown2 - Allow subclasses of known types to be encoded with superclass encoder, #1291 by @StephenBrown2
- Exclude exported fields from all elements of a list/tuple of submodels/dicts with
'__all__'
, #1286 by @masalim2 - Add pydantic.color.Color objects as available input for Color fields, #1258 by @leosussan
- In examples, type nullable fields as
Optional
, so that these are valid mypy annotations, #1248 by @kokes - Make
pattern_validator()
accept pre-compiledPattern
objects. Fixstr_validator()
return type tostr
, #1237 by @adamgreg - Document how to manage Generics and inheritance, #1229 by @esadruhn
update_forward_refs()
method of BaseModel now copies__dict__
of class module instead of modyfying it, #1228 by @paul-ilyin- Support instance methods and class methods with
@validate_arguments
, #1222 by @samuelcolvin - Add
default_factory
argument toField
to create a dynamic default value by passing a zero-argument callable, #1210 by @prettywood - add support for
NewType
ofList
,Optional
, etc, #1207 by @Kazy - fix mypy signature for
root_validator
, #1192 by @samuelcolvin - Fixed parsing of nested 'custom root type' models, #1190 by @Shados
- Add
validate_arguments
function decorator which checks the arguments to a function matches type annotations, #1179 by @samuelcolvin - Add
__signature__
to models, #1034 by @Bobronium - Refactor
._iter()
method, 10x speed boost fordict(model)
, #1017 by @Bobronium
v1.4 (2020-01-24)¶
- Breaking Change: alias precedence logic changed so aliases on a field always take priority over
an alias from
alias_generator
to avoid buggy/unexpected behaviour, see here for details, #1178 by @samuelcolvin - Add support for unicode and punycode in TLDs, #1182 by @jamescurtin
- Fix
cls
argument in validators during assignment, #1172 by @samuelcolvin - completing Luhn algorithm for
PaymentCardNumber
, #1166 by @cuencandres - add support for generics that implement
__get_validators__
like a custom data type, #1159 by @tiangolo - add support for infinite generators with
Iterable
, #1152 by @tiangolo - fix
url_regex
to accept schemas with+
,-
and.
after the first character, #1142 by @samuelcolvin - move
version_info()
toversion.py
, suggest its use in issues, #1138 by @samuelcolvin - Improve pydantic import time by roughly 50% by deferring some module loading and regex compilation, #1127 by @samuelcolvin
- Fix
EmailStr
andNameEmail
to accept instances of themselves in cython, #1126 by @koxudaxi - Pass model class to the
Config.schema_extra
callable, #1125 by @therefromhere - Fix regex for username and password in URLs, #1115 by @samuelcolvin
- Add support for nested generic models, #1104 by @dmontagu
- add
__all__
to__init__.py
to prevent "implicit reexport" errors from mypy, #1072 by @samuelcolvin - Add support for using "dotenv" files with
BaseSettings
, #1011 by @acnebs
v1.3 (2019-12-21)¶
- Change
schema
andschema_model
to handle dataclasses by using their__pydantic_model__
feature, #792 by @aviramha - Added option for
root_validator
to be skipped if values validation fails using keywordskip_on_failure=True
, #1049 by @aviramha - Allow
Config.schema_extra
to be a callable so that the generated schema can be post-processed, #1054 by @selimb - Update mypy to version 0.750, #1057 by @dmontagu
- Trick Cython into allowing str subclassing, #1061 by @skewty
- Prevent type attributes being added to schema unless the attribute
__schema_attributes__
isTrue
, #1064 by @samuelcolvin - Change
BaseModel.parse_file
to useConfig.json_loads
, #1067 by @kierandarcy - Fix for optional
Json
fields, #1073 by @volker48 - Change the default number of threads used when compiling with cython to one,
allow override via the
CYTHON_NTHREADS
environment variable, #1074 by @samuelcolvin - Run FastAPI tests during Pydantic's CI tests, #1075 by @tiangolo
- My mypy strictness constraints, and associated tweaks to type annotations, #1077 by @samuelcolvin
- Add
__eq__
to SecretStr and SecretBytes to allow "value equals", #1079 by @sbv-trueenergy - Fix schema generation for nested None case, #1088 by @lutostag
- Consistent checks for sequence like objects, #1090 by @samuelcolvin
- Fix
Config
inheritance onBaseSettings
when used withenv_prefix
, #1091 by @samuelcolvin - Fix for
__modify_schema__
when it conflicted withfield_class_to_schema*
, #1102 by @samuelcolvin - docs: Fix explanation of case sensitive environment variable names when populating
BaseSettings
subclass attributes, #1105 by @tribals - Rename django-rest-framework benchmark in documentation, #1119 by @frankie567
v1.2 (2019-11-28)¶
- Possible Breaking Change: Add support for required
Optional
withname: Optional[AnyType] = Field(...)
and refactorModelField
creation to preserverequired
parameter value, #1031 by @tiangolo; see here for details - Add benchmarks for
cattrs
, #513 by @sebastianmika - Add
exclude_none
option todict()
and friends, #587 by @niknetniko - Add benchmarks for
valideer
, #670 by @gsakkis - Add
parse_obj_as
andparse_file_as
functions for ad-hoc parsing of data into arbitrary pydantic-compatible types, #934 by @dmontagu - Add
allow_reuse
argument to validators, thus allowing validator reuse, #940 by @dmontagu - Add support for mapping types for custom root models, #958 by @dmontagu
- Mypy plugin support for dataclasses, #966 by @koxudaxi
- Add support for dataclasses default factory, #968 by @ahirner
- Add a
ByteSize
type for converting byte string (1GB
) to plain bytes, #977 by @dgasmith - Fix mypy complaint about
@root_validator(pre=True)
, #984 by @samuelcolvin - Add manylinux binaries for Python 3.8 to pypi, also support manylinux2010, #994 by @samuelcolvin
- Adds ByteSize conversion to another unit, #995 by @dgasmith
- Fix
__str__
and__repr__
inheritance for models, #1022 by @samuelcolvin - add testimonials section to docs, #1025 by @sullivancolin
- Add support for
typing.Literal
for Python 3.8, #1026 by @dmontagu
v1.1.1 (2019-11-20)¶
- Fix bug where use of complex fields on sub-models could cause fields to be incorrectly configured, #1015 by @samuelcolvin
v1.1 (2019-11-07)¶
- Add a mypy plugin for type checking
BaseModel.__init__
and more, #722 by @dmontagu - Change return type typehint for
GenericModel.__class_getitem__
to prevent PyCharm warnings, #936 by @dmontagu - Fix usage of
Any
to allowNone
, also supportTypeVar
thus allowing use of un-parameterised collection types e.g.Dict
andList
, #962 by @samuelcolvin - Set
FieldInfo
on subfields to fix schema generation for complex nested types, #965 by @samuelcolvin
v1.0 (2019-10-23)¶
- Breaking Change: deprecate the
Model.fields
property, useModel.__fields__
instead, #883 by @samuelcolvin - Breaking Change: Change the precedence of aliases so child model aliases override parent aliases,
including using
alias_generator
, #904 by @samuelcolvin - Breaking change: Rename
skip_defaults
toexclude_unset
, and add ability to exclude actual defaults, #915 by @dmontagu - Add
**kwargs
topydantic.main.ModelMetaclass.__new__
so__init_subclass__
can take custom parameters on extendedBaseModel
classes, #867 by @retnikt - Fix field of a type that has a default value, #880 by @koxudaxi
- Use
FutureWarning
instead ofDeprecationWarning
whenalias
instead ofenv
is used for settings models, #881 by @samuelcolvin - Fix issue with
BaseSettings
inheritance andalias
getting set toNone
, #882 by @samuelcolvin - Modify
__repr__
and__str__
methods to be consistent across all public classes, add__pretty__
to support python-devtools, #884 by @samuelcolvin - deprecation warning for
case_insensitive
onBaseSettings
config, #885 by @samuelcolvin - For
BaseSettings
merge environment variables and in-code values recursively, as long as they create a valid object when merged together, to allow splitting init arguments, #888 by @idmitrievsky - change secret types example, #890 by @ashears
- Change the signature of
Model.construct()
to be more user-friendly, documentconstruct()
usage, #898 by @samuelcolvin - Add example for the
construct()
method, #907 by @ashears - Improve use of
Field
constraints on complex types, raise an error if constraints are not enforceable, also support tuples with an ellipsisTuple[X, ...]
,Sequence
andFrozenSet
in schema, #909 by @samuelcolvin - update docs for bool missing valid value, #911 by @trim21
- Better
str
/repr
logic forModelField
, #912 by @samuelcolvin - Fix
ConstrainedList
, update schema generation to reflectmin_items
andmax_items
Field()
arguments, #917 by @samuelcolvin - Allow abstracts sets (eg. dict keys) in the
include
andexclude
arguments ofdict()
, #921 by @samuelcolvin - Fix JSON serialization errors on
ValidationError.json()
by usingpydantic_encoder
, #922 by @samuelcolvin - Clarify usage of
remove_untouched
, improve error message for types with no validators, #926 by @retnikt
v1.0b2 (2019-10-07)¶
- Mark
StrictBool
typecheck asbool
to allow for default values without mypy errors, #690 by @dmontagu - Transfer the documentation build from sphinx to mkdocs, re-write much of the documentation, #856 by @samuelcolvin
- Add support for custom naming schemes for
GenericModel
subclasses, #859 by @dmontagu - Add
if TYPE_CHECKING:
to the excluded lines for test coverage, #874 by @dmontagu - Rename
allow_population_by_alias
toallow_population_by_field_name
, remove unnecessary warning about it, #875 by @samuelcolvin
v1.0b1 (2019-10-01)¶
- Breaking Change: rename
Schema
toField
, make it a function to placate mypy, #577 by @samuelcolvin - Breaking Change: modify parsing behavior for
bool
, #617 by @dmontagu - Breaking Change:
get_validators
is no longer recognised, use__get_validators__
.Config.ignore_extra
andConfig.allow_extra
are no longer recognised, useConfig.extra
, #720 by @samuelcolvin - Breaking Change: modify default config settings for
BaseSettings
;case_insensitive
renamed tocase_sensitive
, default changed tocase_sensitive = False
,env_prefix
default changed to''
- e.g. no prefix, #721 by @dmontagu - Breaking change: Implement
root_validator
and rename root errors from__obj__
to__root__
, #729 by @samuelcolvin - Breaking Change: alter the behaviour of
dict(model)
so that sub-models are nolonger converted to dictionaries, #733 by @samuelcolvin - Breaking change: Added
initvars
support topost_init_post_parse
, #748 by @Raphael-C-Almeida - Breaking Change: Make
BaseModel.json()
only serialize the__root__
key for models with custom root, #752 by @dmontagu - Breaking Change: complete rewrite of
URL
parsing logic, #755 by @samuelcolvin - Breaking Change: preserve superclass annotations for field-determination when not provided in subclass, #757 by @dmontagu
- Breaking Change:
BaseSettings
now uses the specialenv
settings to define which environment variables to read, not aliases, #847 by @samuelcolvin - add support for
assert
statements inside validators, #653 by @abdusco - Update documentation to specify the use of
pydantic.dataclasses.dataclass
and subclassingpydantic.BaseModel
, #710 by @maddosaurus - Allow custom JSON decoding and encoding via
json_loads
andjson_dumps
Config
properties, #714 by @samuelcolvin - make all annotated fields occur in the order declared, #715 by @dmontagu
- use pytest to test
mypy
integration, #735 by @dmontagu - add
__repr__
method toErrorWrapper
, #738 by @samuelcolvin - Added support for
FrozenSet
members in dataclasses, and a better error when attempting to use types from thetyping
module that are not supported by Pydantic, #745 by @djpetti - add documentation for Pycharm Plugin, #750 by @koxudaxi
- fix broken examples in the docs, #753 by @dmontagu
- moving typing related objects into
pydantic.typing
, #761 by @samuelcolvin - Minor performance improvements to
ErrorWrapper
,ValidationError
and datetime parsing, #763 by @samuelcolvin - Improvements to
datetime
/date
/time
/timedelta
types: more descriptive errors, change errors tovalue_error
nottype_error
, support bytes, #766 by @samuelcolvin - fix error messages for
Literal
types with multiple allowed values, #770 by @dmontagu - Improved auto-generated
title
field in JSON schema by converting underscore to space, #772 by @skewty - support
mypy --no-implicit-reexport
for dataclasses, also respect--no-implicit-reexport
in pydantic itself, #783 by @samuelcolvin - add the
PaymentCardNumber
type, #790 by @matin - Fix const validations for lists, #794 by @hmvp
- Set
additionalProperties
to false in schema for models with extra fields disallowed, #796 by @Code0x58 EmailStr
validation method now returns local part case-sensitive per RFC 5321, #798 by @henriklindgren- Added ability to validate strictness to
ConstrainedFloat
,ConstrainedInt
andConstrainedStr
and addedStrictFloat
andStrictInt
classes, #799 by @DerRidda - Improve handling of
None
andOptional
, replacewhole
witheach_item
(inverse meaning, defaultFalse
) on validators, #803 by @samuelcolvin - add support for
Type[T]
type hints, #807 by @timonbimon - Performance improvements from removing
change_exceptions
, change how pydantic error are constructed, #819 by @samuelcolvin - Fix the error message arising when a
BaseModel
-type model field causes aValidationError
during parsing, #820 by @dmontagu - allow
getter_dict
onConfig
, modifyGetterDict
to be more like aMapping
object and thus easier to work with, #821 by @samuelcolvin - Only check
TypeVar
param on baseGenericModel
class, #842 by @zpencerq - rename
Model._schema_cache
->Model.__schema_cache__
,Model._json_encoder
->Model.__json_encoder__
,Model._custom_root_type
->Model.__custom_root_type__
, #851 by @samuelcolvin
v0.32.2 (2019-08-17)¶
(Docs are available here)
- fix
__post_init__
usage with dataclass inheritance, fix #739 by @samuelcolvin - fix required fields validation on GenericModels classes, #742 by @amitbl
- fix defining custom
Schema
onGenericModel
fields, #754 by @amitbl
v0.32.1 (2019-08-08)¶
- do not validate extra fields when
validate_assignment
is on, #724 by @YaraslauZhylko
v0.32 (2019-08-06)¶
- add model name to
ValidationError
error message, #676 by @dmontagu - breaking change: remove
__getattr__
and rename__values__
to__dict__
onBaseModel
, deprecation warning on use__values__
attr, attributes access speed increased up to 14 times, #712 by @Bobronium - support
ForwardRef
(without self-referencing annotations) in Python 3.6, #706 by @koxudaxi - implement
schema_extra
inConfig
sub-class, #663 by @tiangolo
v0.31.1 (2019-07-31)¶
v0.31 (2019-07-24)¶
- better support for floating point
multiple_of
values, #652 by @justindujardin - fix schema generation for
NewType
andLiteral
, #649 by @dmontagu - fix
alias_generator
and field config conflict, #645 by @gmetzker and #658 by @Bobronium - more detailed message for
EnumError
, #673 by @dmontagu - add advanced exclude support for
dict
,json
andcopy
, #648 by @Bobronium - fix bug in
GenericModel
for models with concrete parameterized fields, #672 by @dmontagu - add documentation for
Literal
type, #651 by @dmontagu - add
Config.keep_untouched
for custom descriptors support, #679 by @Bobronium - use
inspect.cleandoc
internally to get model description, #657 by @tiangolo - add
Color
to schema generation, by @euri10 - add documentation for Literal type, #651 by @dmontagu
v0.30.1 (2019-07-15)¶
- fix so nested classes which inherit and change
__init__
are correctly processed while still allowingself
as a parameter, #644 by @lnaden and @dgasmith
v0.30 (2019-07-07)¶
- enforce single quotes in code, #612 by @samuelcolvin
- fix infinite recursion with dataclass inheritance and
__post_init__
, #606 by @Hanaasagi - fix default values for
GenericModel
, #610 by @dmontagu - clarify that self-referencing models require Python 3.7+, #616 by @vlcinsky
- fix truncate for types, #611 by @dmontagu
- add
alias_generator
support, #622 by @Bobronium - fix unparameterized generic type schema generation, #625 by @dmontagu
- fix schema generation with multiple/circular references to the same model, #621 by @tiangolo and @wongpat
- support custom root types, #628 by @koxudaxi
- support
self
as a field name inparse_obj
, #632 by @samuelcolvin
v0.29 (2019-06-19)¶
- support dataclasses.InitVar, #592 by @pfrederiks
- Updated documentation to elucidate the usage of
Union
when defining multiple types under an attribute's annotation and showcase how the type-order can affect marshalling of provided values, #594 by @somada141 - add
conlist
type, #583 by @hmvp - add support for generics, #595 by @dmontagu
v0.28 (2019-06-06)¶
- fix support for JSON Schema generation when using models with circular references in Python 3.7, #572 by @tiangolo
- support
__post_init_post_parse__
on dataclasses, #567 by @sevaho - allow dumping dataclasses to JSON, #575 by @samuelcolvin and @DanielOberg
- ORM mode, #562 by @samuelcolvin
- fix
pydantic.compiled
on ipython, #573 by @dmontagu and @samuelcolvin - add
StrictBool
type, #579 by @cazgp
v0.27 (2019-05-30)¶
- breaking change
_pydantic_post_init
to execute dataclass' original__post_init__
before validation, #560 by @HeavenVolkoff - fix handling of generic types without specified parameters, #550 by @dmontagu
- breaking change (maybe): this is the first release compiled with cython, see the docs and please submit an issue if you run into problems
v0.27.0a1 (2019-05-26)¶
- fix JSON Schema for
list
,tuple
, andset
, #540 by @tiangolo - compiling with cython,
manylinux
binaries, some other performance improvements, #548 by @samuelcolvin
v0.26 (2019-05-22)¶
- fix to schema generation for
IPvAnyAddress
,IPvAnyInterface
,IPvAnyNetwork
#498 by @pilosus - fix variable length tuples support, #495 by @pilosus
- fix return type hint for
create_model
, #526 by @dmontagu - Breaking Change: fix
.dict(skip_keys=True)
skipping values set via alias (this involves changingvalidate_model()
to always returnsTuple[Dict[str, Any], Set[str], Optional[ValidationError]]
), #517 by @sommd - fix to schema generation for
IPv4Address
,IPv6Address
,IPv4Interface
,IPv6Interface
,IPv4Network
,IPv6Network
#532 by @euri10 - add
Color
type, #504 by @pilosus and @samuelcolvin
v0.25 (2019-05-05)¶
- Improve documentation on self-referencing models and annotations, #487 by @theenglishway
- fix
.dict()
with extra keys, #490 by @JaewonKim - support
const
keyword inSchema
, #434 by @Sean1708
v0.24 (2019-04-23)¶
- fix handling
ForwardRef
in sub-types, likeUnion
, #464 by @tiangolo - fix secret serialization, #465 by @atheuz
- Support custom validators for dataclasses, #454 by @primal100
- fix
parse_obj
to cope with dict-like objects, #472 by @samuelcolvin - fix to schema generation in nested dataclass-based models, #474 by @NoAnyLove
- fix
json
forPath
,FilePath
, andDirectoryPath
objects, #473 by @mikegoodspeed
v0.23 (2019-04-04)¶
- improve documentation for contributing section, #441 by @pilosus
- improve README.rst to include essential information about the package, #446 by @pilosus
IntEnum
support, #444 by @potykion- fix PyObject callable value, #409 by @pilosus
- fix
black
deprecation warnings after update, #451 by @pilosus - fix
ForwardRef
collection bug, #450 by @tigerwings - Support specialized
ClassVars
, #455 by @tyrylu - fix JSON serialization for
ipaddress
types, #333 by @pilosus - add
SecretStr
andSecretBytes
types, #452 by @atheuz
v0.22 (2019-03-29)¶
- add
IPv{4,6,Any}Network
andIPv{4,6,Any}Interface
types fromipaddress
stdlib, #333 by @pilosus - add docs for
datetime
types, #386 by @pilosus - fix to schema generation in dataclass-based models, #408 by @pilosus
- fix path in nested models, #437 by @kataev
- add
Sequence
support, #304 by @pilosus
v0.21.0 (2019-03-15)¶
- fix typo in
NoneIsNotAllowedError
message, #414 by @YaraslauZhylko - add
IPvAnyAddress
,IPv4Address
andIPv6Address
types, #333 by @pilosus
v0.20.1 (2019-02-26)¶
- fix type hints of
parse_obj
and similar methods, #405 by @erosennin - fix submodel validation, #403 by @samuelcolvin
- correct type hints for
ValidationError.json
, #406 by @layday
v0.20.0 (2019-02-18)¶
- fix tests for Python 3.8, #396 by @samuelcolvin
- Adds fields to the
dir
method for autocompletion in interactive sessions, #398 by @dgasmith - support
ForwardRef
(and thereforefrom __future__ import annotations
) with dataclasses, #397 by @samuelcolvin
v0.20.0a1 (2019-02-13)¶
- breaking change (maybe): more sophisticated argument parsing for validators, any subset of
values
,config
andfield
is now permitted, eg.(cls, value, field)
, however the variadic key word argument ("**kwargs
") must be calledkwargs
, #388 by @samuelcolvin - breaking change: Adds
skip_defaults
argument toBaseModel.dict()
to allow skipping of fields that were not explicitly set, signature ofModel.construct()
changed, #389 by @dgasmith - add
py.typed
marker file for PEP-561 support, #391 by @je-l - Fix
extra
behaviour for multiple inheritance/mix-ins, #394 by @YaraslauZhylko
v0.19.0 (2019-02-04)¶
- Support
Callable
type hint, fix #279 by @proofit404 - Fix schema for fields with
validator
decorator, fix #375 by @tiangolo - Add
multiple_of
constraint toConstrainedDecimal
,ConstrainedFloat
,ConstrainedInt
and their related typescondecimal
,confloat
, andconint
#371, thanks @StephenBrown2 - Deprecated
ignore_extra
andallow_extra
Config fields in favor ofextra
, #352 by @liiight - Add type annotations to all functions, test fully with mypy, #373 by @samuelcolvin
- fix for 'missing' error with
validate_all
orvalidate_always
, #381 by @samuelcolvin - Change the second/millisecond watershed for date/datetime parsing to
2e10
, #385 by @samuelcolvin
v0.18.2 (2019-01-22)¶
- Fix to schema generation with
Optional
fields, fix #361 by @samuelcolvin
v0.18.1 (2019-01-17)¶
- add
ConstrainedBytes
andconbytes
types, #315 @Gr1N - adding
MANIFEST.in
to include license in package.tar.gz
, #358 by @samuelcolvin
v0.18.0 (2019-01-13)¶
- breaking change: don't call validators on keys of dictionaries, #254 by @samuelcolvin
- Fix validators with
always=True
when the default isNone
or the type is optional, also preventwhole
validators being called for sub-fields, fix #132 by @samuelcolvin - improve documentation for settings priority and allow it to be easily changed, #343 by @samuelcolvin
- fix
ignore_extra=False
andallow_population_by_alias=True
, fix #257 by @samuelcolvin - breaking change: Set
BaseConfig
attributesmin_anystr_length
andmax_anystr_length
toNone
by default, fix #349 in #350 by @tiangolo - add support for postponed annotations, #348 by @samuelcolvin
v0.17.0 (2018-12-27)¶
- fix schema for
timedelta
as number, #325 by @tiangolo - prevent validators being called repeatedly after inheritance, #327 by @samuelcolvin
- prevent duplicate validator check in ipython, fix #312 by @samuelcolvin
- add "Using Pydantic" section to docs, #323 by @tiangolo & #326 by @samuelcolvin
- fix schema generation for fields annotated as
: dict
,: list
,: tuple
and: set
, #330 & #335 by @nkonin - add support for constrained strings as dict keys in schema, #332 by @tiangolo
- support for passing Config class in dataclasses decorator, #276 by @jarekkar
(breaking change: this supersedes the
validate_assignment
argument withconfig
) - support for nested dataclasses, #334 by @samuelcolvin
- better errors when getting an
ImportError
withPyObject
, #309 by @samuelcolvin - rename
get_validators
to__get_validators__
, deprecation warning on use of old name, #338 by @samuelcolvin - support
ClassVar
by excluding such attributes from fields, #184 by @samuelcolvin
v0.16.1 (2018-12-10)¶
- fix
create_model
to correctly use the passed__config__
, #320 by @hugoduncan
v0.16.0 (2018-12-03)¶
- breaking change: refactor schema generation to be compatible with JSON Schema and OpenAPI specs, #308 by @tiangolo
- add
schema
toschema
module to generate top-level schemas from base models, #308 by @tiangolo - add additional fields to
Schema
class to declare validation forstr
and numeric values, #311 by @tiangolo - rename
_schema
toschema
on fields, #318 by @samuelcolvin - add
case_insensitive
option toBaseSettings
Config
, #277 by @jasonkuhrt
v0.15.0 (2018-11-18)¶
- move codebase to use black, #287 by @samuelcolvin
- fix alias use in settings, #286 by @jasonkuhrt and @samuelcolvin
- fix datetime parsing in
parse_date
, #298 by @samuelcolvin - allow dataclass inheritance, fix #293 by @samuelcolvin
- fix
PyObject = None
, fix #305 by @samuelcolvin - allow
Pattern
type, fix #303 by @samuelcolvin
v0.14.0 (2018-10-02)¶
- dataclasses decorator, #269 by @Gaunt and @samuelcolvin
v0.13.1 (2018-09-21)¶
- fix issue where int_validator doesn't cast a
bool
to anint
#264 by @nphyatt - add deep copy support for
BaseModel.copy()
#249, @gangefors
v0.13.0 (2018-08-25)¶
- raise an exception if a field's name shadows an existing
BaseModel
attribute #242 - add
UrlStr
andurlstr
types #236 - timedelta json encoding ISO8601 and total seconds, custom json encoders #247, by @cfkanesan and @samuelcolvin
- allow
timedelta
objects as values for properties of typetimedelta
(matchesdatetime
etc. behavior) #247
v0.12.1 (2018-07-31)¶
- fix schema generation for fields defined using
typing.Any
#237
v0.12.0 (2018-07-31)¶
- add
by_alias
argument in.dict()
and.json()
model methods #205 - add Json type support #214
- support tuples #227
- major improvements and changes to schema #213
v0.11.2 (2018-07-05)¶
- add
NewType
support #115 - fix
list
,set
&tuple
validation #225 - separate out
validate_model
method, allow errors to be returned along with valid values #221
v0.11.1 (2018-07-02)¶
- support Python 3.7 #216, thanks @layday
- Allow arbitrary types in model #209, thanks @oldPadavan
v0.11.0 (2018-06-28)¶
- make
list
,tuple
andset
types stricter #86 - breaking change: remove msgpack parsing #201
- add
FilePath
andDirectoryPath
types #10 - model schema generation #190
- JSON serialization of models and schemas #133
v0.10.0 (2018-06-11)¶
- add
Config.allow_population_by_alias
#160, thanks @bendemaree - breaking change: new errors format #179, thanks @Gr1N
- breaking change: removed
Config.min_number_size
andConfig.max_number_size
#183, thanks @Gr1N - breaking change: correct behaviour of
lt
andgt
arguments toconint
etc. #188 for the old behaviour usele
andge
#194, thanks @jaheba - added error context and ability to redefine error message templates using
Config.error_msg_templates
#183, thanks @Gr1N - fix typo in validator exception #150
- copy defaults to model values, so different models don't share objects #154
v0.9.1 (2018-05-10)¶
- allow custom
get_field_config
on config classes #159 - add
UUID1
,UUID3
,UUID4
andUUID5
types #167, thanks @Gr1N - modify some inconsistent docstrings and annotations #173, thanks @YannLuo
- fix type annotations for exotic types #171, thanks @Gr1N
- re-use type validators in exotic types #171
- scheduled monthly requirements updates #168
- add
Decimal
,ConstrainedDecimal
andcondecimal
types #170, thanks @Gr1N
v0.9.0 (2018-04-28)¶
- tweak email-validator import error message #145
- fix parse error of
parse_date()
andparse_datetime()
when input is 0 #144, thanks @YannLuo - add
Config.anystr_strip_whitespace
andstrip_whitespace
kwarg toconstr
, by default values isFalse
#163, thanks @Gr1N - add
ConstrainedFloat
,confloat
,PositiveFloat
andNegativeFloat
types #166, thanks @Gr1N
v0.8.0 (2018-03-25)¶
- fix type annotation for
inherit_config
#139 - breaking change: check for invalid field names in validators #140
- validate attributes of parent models #141
- breaking change: email validation now uses email-validator #142
v0.7.1 (2018-02-07)¶
- fix bug with
create_model
modifying the base class
v0.7.0 (2018-02-06)¶
- added compatibility with abstract base classes (ABCs) #123
- add
create_model
method #113 #125 - breaking change: rename
.config
to.__config__
on a model - breaking change: remove deprecated
.values()
on a model, use.dict()
instead - remove use of
OrderedDict
and use simple dict #126 - add
Config.use_enum_values
#127 - add wildcard validators of the form
@validate('*')
#128
v0.6.4 (2018-02-01)¶
- allow Python date and times objects #122
v0.6.3 (2017-11-26)¶
- fix direct install without
README.rst
present
v0.6.2 (2017-11-13)¶
- errors for invalid validator use
- safer check for complex models in
Settings
v0.6.1 (2017-11-08)¶
v0.6.0 (2017-11-07)¶
- assignment validation #94, thanks petroswork!
- JSON in environment variables for complex types, #96
- add
validator
decorators for complex validation, #97 - depreciate
values(...)
and replace with.dict(...)
, #99
v0.5.0 (2017-10-23)¶
- add
UUID
validation #89 - remove
index
andtrack
from error object (json) if they're null #90 - improve the error text when a list is provided rather than a dict #90
- add benchmarks table to docs #91
v0.4.0 (2017-07-08)¶
- show length in string validation error
- fix aliases in config during inheritance #55
- simplify error display
- use unicode ellipsis in
truncate
- add
parse_obj
,parse_raw
andparse_file
helper functions #58 - switch annotation only fields to come first in fields list not last
v0.3.0 (2017-06-21)¶
- immutable models via
config.allow_mutation = False
, associated cleanup and performance improvement #44 - immutable helper methods
construct()
andcopy()
#53 - allow pickling of models #53
setattr
is removed as__setattr__
is now intelligent #44raise_exception
removed, Models now always raise exceptions #44- instance method validators removed
- django-restful-framework benchmarks added #47
- fix inheritance bug #49
- make str type stricter so list, dict etc are not coerced to strings. #52
- add
StrictStr
which only always strings as input #52
v0.2.1 (2017-06-07)¶
- pypi and travis together messed up the deploy of
v0.2
this should fix it
v0.2.0 (2017-06-07)¶
- breaking change:
values()
on a model is now a method not a property, takesinclude
andexclude
arguments - allow annotation only fields to support mypy
- add pretty
to_string(pretty=True)
method for models
v0.1.0 (2017-06-03)¶
- add docs
- add history