""" This file defines the types for type annotations. These names aren't part of the module namespace, but they are used in the annotations in the function signatures. The functions in the module are only valid for inputs that match the given type annotations. """ from __future__ import annotations __all__ = [ "Array", "Device", "Dtype", "SupportsDLPack", "SupportsBufferProtocol", "PyCapsule", ] from typing import ( Any, Literal, Sequence, Type, Union, TypeVar, Protocol, ) from ._array_object import Array from numpy import ( dtype, int8, int16, int32, int64, uint8, uint16, uint32, uint64, float32, float64, ) _T_co = TypeVar("_T_co", covariant=True) class NestedSequence(Protocol[_T_co]): def __getitem__(self, key: int, /) -> _T_co | NestedSequence[_T_co]: ... def __len__(self, /) -> int: ... Device = Literal["cpu"] Dtype = dtype[Union[ int8, int16, int32, int64, uint8, uint16, uint32, uint64, float32, float64, ]] SupportsBufferProtocol = Any PyCapsule = Any class SupportsDLPack(Protocol): def __dlpack__(self, /, *, stream: None = ...) -> PyCapsule: ...