`functools.partial` typing

partial.pyi

import sys
from types import GenericAlias
from typing import Any, Callable, Concatenate, overload

class partial[**P1, **P2, T, R, *Ts]:
    @overload
    def __new__(cls, func: Callable[P1, R], /) -> partial[P1, P1, Any, R]: ...
    @overload
    def __new__(cls, func: Callable[Concatenate[*Ts, P2], R], /, *args: *Ts) -> partial[Concatenate[*Ts, P2], P2, Any, R, *Ts]: ...
    @overload
    def __new__(cls, func: Callable[P1, R], /, *args: *Ts, **kwargs: T) -> partial[P1, ..., T, R, *Ts]: ...
    def __call__(self, *args: P2.args, **kwargs: P2.kwargs) -> R: ...
    @property
    def func(self) -> Callable[P1, R]: ...
    @property
    def args(self) -> tuple[*Ts]: ...
    @property
    def keywords(self) -> dict[str, T]: ...
    if sys.version_info >= (3, 9):
        def __class_getitem__(cls, item: Any) -> GenericAlias: ...