File: _typing.py

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from __future__ import annotations

from typing import TYPE_CHECKING, Any, Literal, TypeAlias

import numpy as np

Device: TypeAlias = Literal["cpu"]

if TYPE_CHECKING:

    # NumPy 1.x on Python 3.10 fails to parse np.dtype[]
    DType: TypeAlias = np.dtype[
        np.bool_
        | np.integer[Any]
        | np.float32
        | np.float64
        | np.complex64
        | np.complex128
    ]
    Array: TypeAlias = np.ndarray[Any, DType]
else:
    DType: TypeAlias = np.dtype
    Array: TypeAlias = np.ndarray

__all__ = ["Array", "DType", "Device"]
_all_ignore = ["np"]


def __dir__() -> list[str]:
    return __all__