# This file was auto-generated by Fern from our API Definition.

import datetime as dt
import typing

from ...core.datetime_utils import serialize_datetime
from ...core.pydantic_utilities import pydantic_v1
from .base_engine import BaseEngine
from .data_type import DataType
from .file_format import FileFormat


class CheckpointData(pydantic_v1.BaseModel):
    data_type: typing.Optional[DataType] = pydantic_v1.Field(default=None)
    """
    Data type.
    """

    engine: BaseEngine = pydantic_v1.Field()
    """
    Engine type.
    """

    file_format: typing.Optional[FileFormat] = pydantic_v1.Field(default=None)
    """
    File format.
    """

    def json(self, **kwargs: typing.Any) -> str:
        kwargs_with_defaults: typing.Any = {"by_alias": True, "exclude_unset": True, **kwargs}
        return super().json(**kwargs_with_defaults)

    def dict(self, **kwargs: typing.Any) -> typing.Dict[str, typing.Any]:
        kwargs_with_defaults: typing.Any = {"by_alias": True, "exclude_unset": True, **kwargs}
        return super().dict(**kwargs_with_defaults)

    class Config:
        frozen = True
        smart_union = True
        extra = pydantic_v1.Extra.allow
        json_encoders = {dt.datetime: serialize_datetime}
