codekingpro/portable-devtools
114k
1"""Type annotations to use with `__get_pydantic_core_schema__` and `__get_pydantic_json_schema__`."""2 3from __future__ import annotations as _annotations4 5from typing import TYPE_CHECKING, Any, Union6 7from pydantic_core import core_schema8 9if TYPE_CHECKING:10 from ._internal._namespace_utils import NamespacesTuple11 from .json_schema import JsonSchemaMode, JsonSchemaValue12 13 CoreSchemaOrField = Union[14 core_schema.CoreSchema,15 core_schema.ModelField,16 core_schema.DataclassField,17 core_schema.TypedDictField,18 core_schema.ComputedField,19 ]20 21__all__ = 'GetJsonSchemaHandler', 'GetCoreSchemaHandler'22 23 24class GetJsonSchemaHandler:25 """Handler to call into the next JSON schema generation function.26 27 Attributes:28 mode: Json schema mode, can be `validation` or `serialization`.29 """30 31 mode: JsonSchemaMode32 33 def __call__(self, core_schema: CoreSchemaOrField, /) -> JsonSchemaValue:34 """Call the inner handler and get the JsonSchemaValue it returns.35 This will call the next JSON schema modifying function up until it calls36 into `pydantic.json_schema.GenerateJsonSchema`, which will raise a37 `pydantic.errors.PydanticInvalidForJsonSchema` error if it cannot generate38 a JSON schema.39 40 Args:41 core_schema: A `pydantic_core.core_schema.CoreSchema`.42 43 Returns:44 JsonSchemaValue: The JSON schema generated by the inner JSON schema modify45 functions.46 """47 raise NotImplementedError48 49 def resolve_ref_schema(self, maybe_ref_json_schema: JsonSchemaValue, /) -> JsonSchemaValue:50 """Get the real schema for a `{"$ref": ...}` schema.51 If the schema given is not a `$ref` schema, it will be returned as is.52 This means you don't have to check before calling this function.53 54 Args:55 maybe_ref_json_schema: A JsonSchemaValue which may be a `$ref` schema.56 57 Raises:58 LookupError: If the ref is not found.59 60 Returns:61 JsonSchemaValue: A JsonSchemaValue that has no `$ref`.62 """63 raise NotImplementedError64 65 66class GetCoreSchemaHandler:67 """Handler to call into the next CoreSchema schema generation function."""68 69 def __call__(self, source_type: Any, /) -> core_schema.CoreSchema:70 """Call the inner handler and get the CoreSchema it returns.71 This will call the next CoreSchema modifying function up until it calls72 into Pydantic's internal schema generation machinery, which will raise a73 `pydantic.errors.PydanticSchemaGenerationError` error if it cannot generate74 a CoreSchema for the given source type.75 76 Args:77 source_type: The input type.78 79 Returns:80 CoreSchema: The `pydantic-core` CoreSchema generated.81 """82 raise NotImplementedError83 84 def generate_schema(self, source_type: Any, /) -> core_schema.CoreSchema:85 """Generate a schema unrelated to the current context.86 Use this function if e.g. you are handling schema generation for a sequence87 and want to generate a schema for its items.88 Otherwise, you may end up doing something like applying a `min_length` constraint89 that was intended for the sequence itself to its items!90 91 Args:92 source_type: The input type.93 94 Returns:95 CoreSchema: The `pydantic-core` CoreSchema generated.96 """97 raise NotImplementedError98 99 def resolve_ref_schema(self, maybe_ref_schema: core_schema.CoreSchema, /) -> core_schema.CoreSchema:100 """Get the real schema for a `definition-ref` schema.101 If the schema given is not a `definition-ref` schema, it will be returned as is.102 This means you don't have to check before calling this function.103 104 Args:105 maybe_ref_schema: A `CoreSchema`, `ref`-based or not.106 107 Raises:108 LookupError: If the `ref` is not found.109 110 Returns:111 A concrete `CoreSchema`.112 """113 raise NotImplementedError114 115 @property116 def field_name(self) -> str | None:117 """Get the name of the closest field to this validator."""118 raise NotImplementedError119 120 def _get_types_namespace(self) -> NamespacesTuple:121 """Internal method used during type resolution for serializer annotations."""122 raise NotImplementedError123 