import functools
import typing
import typing_extensions
from typing import Tuple, Any
from functools import partial
from typing_extensions import get_origin

# Use an unbounded cache for this function, for optimal performance
@functools.lru_cache(maxsize=None)
def get_typing_objects_by_name_of(name: str) -> Tuple[Any, ...]:
    result = tuple(
        getattr(module, name)
        # You could potentially also include mypy_extensions here,
        # if your library supports mypy_extensions
        for module in (typing, typing_extensions)
        if hasattr(module, name)
    )
    if not result:
        raise ValueError(
            f"Neither typing nor typing_extensions has an object called {name!r}"
        )
    return result


# Use a cache here as well, but make it a bounded cache
# (the default cache size is 128)
@functools.lru_cache()
def is_typing_name(obj: object, name: str) -> bool:
    return any(obj is thing for thing in get_typing_objects_by_name_of(name))


if __name__ == "__main__":
    print("Hello world")
    is_literal = partial(is_typing_name, name="Literal")
    print(is_literal(typing.Literal))
    print(is_literal(typing_extensions.Literal))
    print(is_literal(typing.Any))
    print(is_literal(get_origin(typing.Literal[42])))
    print(is_literal(get_origin(typing_extensions.Final[42])))

test-user@test-vm:~$ cd temp-venv/
test-user@test-vm:~/temp-venv$ source bin/activate
(temp-venv) test-user@test-vm:~/temp-venv$ python
Python 3.8.10 (default, Jan 17 2025, 14:40:23)
[GCC 9.4.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> exit()
(temp-venv) test-user@test-vm:~/temp-venv$ ls
bin  include  lib  lib64  pyvenv.cfg  share
(temp-venv) test-user@test-vm:~/temp-venv$ cd bin
(temp-venv) test-user@test-vm:~/temp-venv/bin$ ls
Activate.ps1  activate.csh   easy_install      pip   pip3.8  python3
activate      activate.fish  easy_install-3.8  pip3  python  test-typing-example.py
(temp-venv) test-user@test-vm:~/temp-venv/bin$ pip list
Package           Version
----------------- -------
pip               20.0.2
pkg-resources     0.0.0
setuptools        44.0.0
typing-extensions 4.12.2
(temp-venv) test-user@test-vm:~/temp-venv/bin$ python3 test-typing-example.py
Hello world
True
True
False
True
Traceback (most recent call last):
  File "test-typing-example.py", line 39, in <module>
    print(is_literal(get_origin(typing_extensions.Final[42])))
  File "/usr/lib/python3.8/typing.py", line 261, in inner
    return func(*args, **kwds)
  File "/usr/lib/python3.8/typing.py", line 350, in __getitem__
    item = _type_check(parameters, f'{self._name} accepts only single type.')
  File "/usr/lib/python3.8/typing.py", line 149, in _type_check
    raise TypeError(f"{msg} Got {arg!r:.100}.")
TypeError: Final accepts only single type. Got 42.