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flolas avatar flolas commented on August 11, 2024

workaround:

class CustomSerializerDyntasticMixin:
    @staticmethod
    def serialize(data, model_json_encoders=None):
        _serialize = partial(CustomSerializerDyntasticMixin.serialize, model_json_encoders=model_json_encoders)
        if isinstance(data, BaseModel):
            return _serialize(data.dict())
        elif isinstance(data, dict):
            return {key: _serialize(value) for key, value in data.items() if value is not None}
        elif isinstance(data, (list, tuple)):
            return list(map(_serialize, data))
        elif isinstance(data, set):
            return set(map(_serialize, data))
        elif isinstance(data, (Decimal, str, int, bytes, bool, float, type(None))):
            return data
        else:
            if model_json_encoders:
                json_encoder = partial(custom_pydantic_encoder, model_json_encoders)
            else:
                json_encoder = pydantic_encoder
            return json.loads(json.dumps(data, default=json_encoder))

    def save(self, *, condition: Optional[object] = None):
        data = self.dict(by_alias=True)
        dynamo_serialized = CustomSerializerDyntasticMixin.serialize(data, model_json_encoders=self.__config__.json_encoders)
        return self._dyntastic_call("put_item", Item=dynamo_serialized, ConditionExpression=condition)

        
class DummyJobClass:
     pass
       
class JobType(Enum):
    DUMMY_JOB_TYPE = DummyJobClass
    
class Job(Dyntastic):
    __table_name__ = "jobs"
    __hash_key__ = "job_id"
    __table_host__ = "http://localhost:8000"
    __table_region__ = "us-east-1"

    job_id: int
    type: JobType
    
    class Config:
        json_encoders = {
           JobType: lambda obj: obj.name
        }

model = Job(job_id=1, type=JobType.DUMMY_JOB_TYPE)
model.save()

I can make a PR if you would like

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nayaverdier avatar nayaverdier commented on August 11, 2024

As a different workaround, does something like this work?

from pydantic.json import ENCODERS_BY_TYPE
ENCODERS_BY_TYPE[JobType] = lambda obj: obj.name

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flolas avatar flolas commented on August 11, 2024

@nayaverdier I ended up with a custom Enum subclass to handle Enums with an object value because Pydantic v1 has issues with Enums. These issues are fixed in Pydantic v2.

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nayaverdier avatar nayaverdier commented on August 11, 2024

Pydantic v2 support is on my roadmap, I'll let you know when it's released.

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nayaverdier avatar nayaverdier commented on August 11, 2024

@flolas Dyntastic version 0.13.0 now supports pydantic v2. Closing this ticket but feel free to reopen if you continue to have issues related to this.

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