Customer must handle serialization on Pydantic models

Author: leandrodamascena

aws_lambda_powertools/event_handler/openapi/encoders.py

@@ -81,7 +81,6 @@ def jsonable_encoder(  # noqa: PLR0911
                 exclude_unset=exclude_unset,
                 exclude_none=exclude_none,
                 exclude_defaults=exclude_defaults,
-                custom_serializer=custom_serializer,
             )
 
         # Dataclasses
@@ -174,7 +173,6 @@ def _dump_base_model(
     exclude_unset: bool = False,
     exclude_none: bool = False,
     exclude_defaults: bool = False,
-    custom_serializer: Optional[Callable[[Any], str]] = None,
 ):
     """
     Dump a BaseModel object to a dict, using the same parameters as jsonable_encoder
@@ -196,7 +194,6 @@ def _dump_base_model(
         obj_dict,
         exclude_none=exclude_none,
         exclude_defaults=exclude_defaults,
-        custom_serializer=custom_serializer,
     )
 
 

noxfile.py

@@ -148,7 +148,7 @@ def test_with_aws_encryption_sdk_as_required_package(session: nox.Session):
 
 
 @nox.session()
-@nox.parametrize("pydantic", ["1.10", "2.0"])
+@nox.parametrize("pydantic", ["1.10,<2.0", "2.0"])
 def test_with_pydantic_required_package(session: nox.Session, pydantic: str):
     """Tests that only depends for Pydantic library v1 and v2"""
     # Event Handler OpenAPI

tests/functional/event_handler/_pydantic/test_openapi_encoders.py

@@ -3,7 +3,7 @@
 from typing import List
 
 import pytest
-from pydantic import BaseModel, ConfigDict
+from pydantic import BaseModel
 from pydantic.color import Color
 
 from aws_lambda_powertools.event_handler.openapi.encoders import jsonable_encoder
@@ -230,30 +230,6 @@ def serializer(value):
     assert result == ["serialized"]
 
 
-@pytest.mark.usefixtures("pydanticv2_only")
-def test_openapi_encode_custom_serializer_pydantic():
-    # GIVEN a sequence with a custom class
-    class CustomClass:
-        __slots__ = []
-
-    class Order(BaseModel):
-        kind: CustomClass
-
-        model_config = ConfigDict(arbitrary_types_allowed=True)
-
-    order = Order(kind=CustomClass())
-
-    # AND a custom serializer
-    def serializer(value):
-        return "serialized"
-
-    # WHEN we call jsonable_encoder with the nested dictionary and unserializable value
-    result = jsonable_encoder(order, custom_serializer=serializer)
-
-    # THEN we should get the custom serializer output
-    assert result == {"kind": "serialized"}
-
-
 def test_openapi_encode_custom_serializer_dataclasses():
     # GIVEN a sequence with a custom class
     class CustomClass: