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Make ValidationInfo and SerializationInfo generic for context #1686

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Merged
merged 1 commit into from
Jun 10, 2025
Merged

Make ValidationInfo and SerializationInfo generic for context #1686

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15 changes: 9 additions & 6 deletions python/pydantic_core/core_schema.py
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@
from re import Pattern
from typing import TYPE_CHECKING, Any, Callable, Literal, Union

from typing_extensions import deprecated
from typing_extensions import TypeVar, deprecated

if sys.version_info < (3, 12):
from typing_extensions import TypedDict
Expand Down Expand Up @@ -118,17 +118,20 @@ class CoreConfig(TypedDict, total=False):

IncExCall: TypeAlias = 'set[int | str] | dict[int | str, IncExCall] | None'

ContextT = TypeVar('ContextT', covariant=True, default='Any | None')

class SerializationInfo(Protocol):

class SerializationInfo(Protocol[ContextT]):
@property
def include(self) -> IncExCall: ...

@property
def exclude(self) -> IncExCall: ...

@property
def context(self) -> Any | None:
def context(self) -> ContextT:
"""Current serialization context."""
...

@property
def mode(self) -> str: ...
Expand Down Expand Up @@ -163,13 +166,13 @@ class FieldSerializationInfo(SerializationInfo, Protocol):
def field_name(self) -> str: ...


class ValidationInfo(Protocol):
class ValidationInfo(Protocol[ContextT]):
"""
Argument passed to validation functions.
"""

@property
def context(self) -> Any | None:
def context(self) -> ContextT:
"""Current validation context."""
...

Expand All @@ -180,7 +183,7 @@ def config(self) -> CoreConfig | None:

@property
def mode(self) -> Literal['python', 'json']:
"""The type of input data we are currently validating"""
"""The type of input data we are currently validating."""
...

@property
Expand Down
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