from collections import deque
from copy import copy
from dataclasses import dataclass, is_dataclass
from enum import Enum
from typing import (
    Any,
    Callable,
    Deque,
    Dict,
    FrozenSet,
    List,
    Mapping,
    Sequence,
    Set,
    Tuple,
    Type,
    Union,
)

from fastapi.exceptions import RequestErrorModel
from fastapi.types import IncEx, ModelNameMap, UnionType

## 0.67.0

### Features

* ✨ Add support for `dataclasses` in request bodies and `response_model`. New documentation: [Advanced User Guide - Using Dataclasses](https://fastapi.tiangolo.com/advanced/dataclasses/). PR [#3577](https://github.com/tiangolo/fastapi/pull/3577) by [@tiangolo](https://github.com/tiangolo).

                exclude_defaults=exclude_defaults,
                exclude_none=exclude_none,
            )
            for k, v in res.items()
        }
    elif dataclasses.is_dataclass(res):
        return dataclasses.asdict(res)
    return res


async def serialize_response(
    *,
    field: Optional[ModelField] = None,
    response_content: Any,
    include: Optional[IncEx] = None,

        [`typing.NamedTuple`](https://docs.python.org/3/library/typing.html#typing.NamedTuple)
        and
        [`@dataclasses.dataclass`](https://docs.python.org/3/library/dataclasses.html#dataclasses.dataclass)
        from the standard Python library.
    *   Extension types are supported by Keras, tf.data, TF-hub, SavedModel,