from __future__ import annotations

from typing import TypeVar, cast, overload

_T = TypeVar("_T")

@overload

def safe_get(obj: object, *path: str | int) -> object | None: ...

@overload

def safe_get(obj: object, *path: str | int, type: type[_T]) -> _T | None: ...

def safe_get(

obj: object, *path: str | int, type: type[object] | None = None

) -> object | None:

current = obj

for part in path:

if isinstance(current, dict):

current_dict = cast(dict[str | int, object], current)

if part not in current_dict:

return None

current = current_dict[part]

continue

if isinstance(current, list) and isinstance(part, int):

if not -len(current) <= part < len(current):

return None

current = current[part]

continue

return None

if type is not None and not isinstance(current, type):

return None

return current