from collections.abc import Sequence
from typing import Any, Union

from pydantic.v1 import BaseModel as BaseModel
from pydantic.v1.fields import ModelField as ModelField


def _normalize_errors(errors: Sequence[Any]) -> list[dict[str, Any]]:
    use_errors: list[Any] = []
    for error in errors:
        if isinstance(error, list):
            use_errors.extend(_normalize_errors(error))
        else:
            use_errors.append(error)
    return use_errors


def _regenerate_error_with_loc(
    *, errors: Sequence[Any], loc_prefix: tuple[Union[str, int], ...]
) -> list[dict[str, Any]]:
    updated_loc_errors: list[Any] = [
        {**err, "loc": loc_prefix + err.get("loc", ())}
        for err in _normalize_errors(errors)
    ]

    return updated_loc_errors