from .v2 import Undefined as Undefined
from .v2 import Url as Url
from .v2 import copy_field_info as copy_field_info
from .v2 import create_body_model as create_body_model
from .v2 import evaluate_forwardref as evaluate_forwardref  # ty: ignore[deprecated]
from .v2 import get_cached_model_fields as get_cached_model_fields
from .v2 import get_definitions as get_definitions

    get_args,
    get_origin,
)

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,

from pydantic_core.core_schema import (
    with_info_plain_validator_function as with_info_plain_validator_function,
)

RequiredParam = PydanticUndefined
Undefined = PydanticUndefined
evaluate_forwardref = eval_type_lenient  # ty: ignore[deprecated]


class GenerateJsonSchema(_GenerateJsonSchema):
    # TODO: remove when this is merged (or equivalent): https://github.com/pydantic/pydantic/pull/12841