from fastapi import params
from fastapi._compat import (
    ModelField,
    RequiredParam,
    Undefined,
    copy_field_info,
    create_body_model,
    evaluate_forwardref,  # ty: ignore[deprecated]
    field_annotation_is_scalar,
    field_annotation_is_scalar_sequence,
    field_annotation_is_sequence,
    get_cached_model_fields,
    get_missing_field_error,
    is_bytes_or_nonable_bytes_annotation,
    is_bytes_sequence_annotation,

    return field_mapping, cast(dict[str, dict[str, Any]], definitions)


def is_scalar_field(field: ModelField) -> bool:
    from fastapi import params

    return shared.field_annotation_is_scalar(
        field.field_info.annotation
    ) and not isinstance(field.field_info, params.Body)


def copy_field_info(*, field_info: FieldInfo, annotation: Any) -> FieldInfo:
    cls = type(field_info)