Class SubDt

tests/test_json.py:159–165

def test_subclass_custom_encoding():
    class SubDt(datetime):
        @classmethod
        def __get_pydantic_core_schema__(cls, source_type: Any, handler: GetCoreSchemaHandler) -> CoreSchema:
            def val(v: datetime) -> SubDt:
                return SubDt.fromtimestamp(v.timestamp())

            return core_schema.no_info_after_validator_function(val, handler(datetime))

    class SubDelta(timedelta):
        @classmethod